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102919340 = 2255145967
BaseRepresentation
bin1100010001001…
…10110010101100
321011122211210102
412020212302230
5202321404330
614113530232
72356541246
oct610466254
9234584712
10102919340
1153105907
122a573978
1318426524
14d951096
15907e945
hex6226cac

102919340 has 12 divisors (see below), whose sum is σ = 216130656. Its totient is φ = 41167728.

The previous prime is 102919321. The next prime is 102919357. The reversal of 102919340 is 43919201.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2572964 + ... + 2573003.

It is an arithmetic number, because the mean of its divisors is an integer number (18010888).

Almost surely, 2102919340 is an apocalyptic number.

102919340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102919340 is an abundant number, since it is smaller than the sum of its proper divisors (113211316).

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

102919340 is a wasteful number, since it uses less digits than its factorization.

102919340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5145976 (or 5145974 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 102919340 is about 10144.9169538247. The cubic root of 102919340 is about 468.6324211170.

The spelling of 102919340 in words is "one hundred two million, nine hundred nineteen thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 5145967 10291934 20583868 25729835 51459670 102919340