Search a number
-
+
100292940 = 2232511373
BaseRepresentation
bin1011111101001…
…01100101001100
320222201102001100
411332211211030
5201133333230
613541343100
72325322146
oct576454514
9228642040
10100292940
1151681630
1229707a90
1317a16c47
14d469c96
158c11660
hex5fa594c

100292940 has 144 divisors (see below), whose sum is σ = 341097120. Its totient is φ = 23656320.

The previous prime is 100292923. The next prime is 100292947. The reversal of 100292940 is 49292001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100292947) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2710602 + ... + 2710638.

It is an arithmetic number, because the mean of its divisors is an integer number (2368730).

Almost surely, 2100292940 is an apocalyptic number.

100292940 is a gapful number since it is divisible by the number (10) 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 100292940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170548560).

100292940 is an abundant number, since it is smaller than the sum of its proper divisors (240804180).

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

100292940 is a wasteful number, since it uses less digits than its factorization.

100292940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 100292940 is about 10014.6362889523. The cubic root of 100292940 is about 464.6116771882.

The spelling of 100292940 in words is "one hundred million, two hundred ninety-two thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 33 36 37 44 45 55 60 66 74 90 99 110 111 132 148 165 180 185 198 220 222 330 333 370 396 407 444 495 555 660 666 740 814 990 1110 1221 1332 1369 1628 1665 1980 2035 2220 2442 2738 3330 3663 4070 4107 4884 5476 6105 6660 6845 7326 8140 8214 12210 12321 13690 14652 15059 16428 18315 20535 24420 24642 27380 30118 36630 41070 45177 49284 50653 60236 61605 73260 75295 82140 90354 101306 123210 135531 150590 151959 180708 202612 225885 246420 253265 271062 301180 303918 451770 455877 506530 542124 557183 607836 677655 759795 903540 911754 1013060 1114366 1355310 1519590 1671549 1823508 2228732 2279385 2710620 2785915 3039180 3343098 4558770 5014647 5571830 6686196 8357745 9117540 10029294 11143660 16715490 20058588 25073235 33430980 50146470 100292940