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102762140 = 22513230403
BaseRepresentation
bin1100010000000…
…00011010011100
321011100212011012
412020000122130
5202301342030
614110314352
72355315035
oct610003234
9234325135
10102762140
1153008798
122a4b89b8
131839cb00
14d90da8c
15904d095
hex620069c

102762140 has 36 divisors (see below), whose sum is σ = 233685144. Its totient is φ = 37941696.

The previous prime is 102762139. The next prime is 102762197. The reversal of 102762140 is 41267201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11822 + ... + 18581.

It is an arithmetic number, because the mean of its divisors is an integer number (6491254).

Almost surely, 2102762140 is an apocalyptic number.

102762140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102762140 is an abundant number, since it is smaller than the sum of its proper divisors (130923004).

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

102762140 is a wasteful number, since it uses less digits than its factorization.

102762140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30438 (or 30423 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 102762140 is about 10137.1662707090. The cubic root of 102762140 is about 468.3937016303.

The spelling of 102762140 in words is "one hundred two million, seven hundred sixty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 169 260 338 676 845 1690 3380 30403 60806 121612 152015 304030 395239 608060 790478 1580956 1976195 3952390 5138107 7904780 10276214 20552428 25690535 51381070 102762140