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9892980 = 22325175361
BaseRepresentation
bin100101101111…
…010001110100
3200121121121200
4211233101310
510013033410
6552012500
7150042336
oct45572164
920547550
109892980
115647819
123391130
132084c46
141457456
15d063c0
hex96f474

9892980 has 144 divisors (see below), whose sum is σ = 32904144. Its totient is φ = 2396160.

The previous prime is 9892957. The next prime is 9893003. The reversal of 9892980 is 892989.

It is an interprime number because it is at equal distance from previous prime (9892957) and next prime (9893003).

It can be written as a sum of positive squares in 8 ways, for example, as 121104 + 9771876 = 348^2 + 3126^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 162150 + ... + 162210.

It is an arithmetic number, because the mean of its divisors is an integer number (228501).

Almost surely, 29892980 is an apocalyptic number.

9892980 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9892980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16452072).

9892980 is an abundant number, since it is smaller than the sum of its proper divisors (23011164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9892980 is a wasteful number, since it uses less digits than its factorization.

9892980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 9892980 is about 3145.3107954541. The cubic root of 9892980 is about 214.6721522116.

It can be divided in two parts, 989 and 2980, that added together give a square (3969 = 632).

The spelling of 9892980 in words is "nine million, eight hundred ninety-two thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 15 17 18 20 30 34 36 45 51 53 60 61 68 85 90 102 106 122 153 159 170 180 183 204 212 244 255 265 305 306 318 340 366 477 510 530 549 610 612 636 732 765 795 901 915 954 1020 1037 1060 1098 1220 1530 1590 1802 1830 1908 2074 2196 2385 2703 2745 3060 3111 3180 3233 3604 3660 4148 4505 4770 5185 5406 5490 6222 6466 8109 9010 9333 9540 9699 10370 10812 10980 12444 12932 13515 15555 16165 16218 18020 18666 19398 20740 27030 29097 31110 32330 32436 37332 38796 40545 46665 48495 54060 54961 58194 62220 64660 81090 93330 96990 109922 116388 145485 162180 164883 186660 193980 219844 274805 290970 329766 494649 549610 581940 659532 824415 989298 1099220 1648830 1978596 2473245 3297660 4946490 9892980