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102892040 = 23573167211
BaseRepresentation
bin1100010001000…
…00001000001000
321011121110100022
412020200020020
5202320021130
614113200012
72356365536
oct610401010
9234543308
10102892040
1153097349
122a560008
1318416c84
14d945156
1590767e5
hex6220208

102892040 has 64 divisors (see below), whose sum is σ = 237202560. Its totient is φ = 40158720.

The previous prime is 102892039. The next prime is 102892043. The reversal of 102892040 is 40298201.

It is not an unprimeable number, because it can be changed into a prime (102892043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 487535 + ... + 487745.

It is an arithmetic number, because the mean of its divisors is an integer number (3706290).

Almost surely, 2102892040 is an apocalyptic number.

102892040 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 102892040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118601280).

102892040 is an abundant number, since it is smaller than the sum of its proper divisors (134310520).

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

102892040 is a wasteful number, since it uses less digits than its factorization.

102892040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462 (or 458 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 102892040 is about 10143.5713631837. The cubic root of 102892040 is about 468.5909815571.

The spelling of 102892040 in words is "one hundred two million, eight hundred ninety-two thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 73 146 167 211 292 334 365 422 584 668 730 835 844 1055 1336 1460 1670 1688 2110 2920 3340 4220 6680 8440 12191 15403 24382 30806 35237 48764 60955 61612 70474 77015 97528 121910 123224 140948 154030 176185 243820 281896 308060 352370 487640 616120 704740 1409480 2572301 5144602 10289204 12861505 20578408 25723010 51446020 102892040