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102857328 = 24327671523
BaseRepresentation
bin1100010000101…
…11101001110000
321011112200201200
412020113221300
5202312413303
614112331200
72356162410
oct610275160
9234480650
10102857328
1153073262
122a543b00
1318404232
14d936640
15906b3a3
hex6217a70

102857328 has 120 divisors (see below), whose sum is σ = 334109568. Its totient is φ = 28930176.

The previous prime is 102857273. The next prime is 102857347. The reversal of 102857328 is 823758201.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 102857292 and 102857301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66775 + ... + 68297.

Almost surely, 2102857328 is an apocalyptic number.

102857328 is a gapful number since it is divisible by the number (18) 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 102857328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167054784).

102857328 is an abundant number, since it is smaller than the sum of its proper divisors (231252240).

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

102857328 is a wasteful number, since it uses less digits than its factorization.

102857328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611 (or 1602 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 102857328 is about 10141.8601844040. The cubic root of 102857328 is about 468.5382804941.

The spelling of 102857328 in words is "one hundred two million, eight hundred fifty-seven thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 56 63 67 72 84 112 126 134 144 168 201 252 268 336 402 469 504 536 603 804 938 1008 1072 1206 1407 1523 1608 1876 2412 2814 3046 3216 3752 4221 4569 4824 5628 6092 7504 8442 9138 9648 10661 11256 12184 13707 16884 18276 21322 22512 24368 27414 31983 33768 36552 42644 54828 63966 67536 73104 85288 95949 102041 109656 127932 170576 191898 204082 219312 255864 306123 383796 408164 511728 612246 714287 767592 816328 918369 1224492 1428574 1535184 1632656 1836738 2142861 2448984 2857148 3673476 4285722 4897968 5714296 6428583 7346952 8571444 11428592 12857166 14693904 17142888 25714332 34285776 51428664 102857328