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102033240 = 23354779229
BaseRepresentation
bin1100001010011…
…10011101011000
321002222211021220
412011032131120
5202110030430
614042532040
72346161001
oct605163530
9232884256
10102033240
11526600a1
122a207020
13181a60ca
14d7a01a8
158e57110
hex614e758

102033240 has 128 divisors (see below), whose sum is σ = 317952000. Its totient is φ = 26178048.

The previous prime is 102033229. The next prime is 102033241. The reversal of 102033240 is 42330201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102033241) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 445446 + ... + 445674.

It is an arithmetic number, because the mean of its divisors is an integer number (2484000).

Almost surely, 2102033240 is an apocalyptic number.

102033240 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 102033240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158976000).

102033240 is an abundant number, since it is smaller than the sum of its proper divisors (215918760).

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

102033240 is a wasteful number, since it uses less digits than its factorization.

102033240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 102033240 is about 10101.1504295303. The cubic root of 102033240 is about 467.2836216392.

Adding to 102033240 its reverse (42330201), we get a palindrome (144363441).

The spelling of 102033240 in words is "one hundred two million, thirty-three thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 47 60 79 94 120 141 158 188 229 235 237 282 316 376 395 458 470 474 564 632 687 705 790 916 940 948 1128 1145 1185 1374 1410 1580 1832 1880 1896 2290 2370 2748 2820 3160 3435 3713 4580 4740 5496 5640 6870 7426 9160 9480 10763 11139 13740 14852 18091 18565 21526 22278 27480 29704 32289 36182 37130 43052 44556 53815 54273 55695 64578 72364 74260 86104 89112 90455 107630 108546 111390 129156 144728 148520 161445 180910 215260 217092 222780 258312 271365 322890 361820 430520 434184 445560 542730 645780 723640 850277 1085460 1291560 1700554 2170920 2550831 3401108 4251385 5101662 6802216 8502770 10203324 12754155 17005540 20406648 25508310 34011080 51016620 102033240