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8164940 = 225758321
BaseRepresentation
bin11111001001011001001100
3120100211012012
4133021121030
54042234230
6451000352
7126254330
oct37113114
916324165
108164940
114677493
1228990b8
1318cb534
1411277c0
15ab4395
hex7c964c

8164940 has 24 divisors (see below), whose sum is σ = 19596192. Its totient is φ = 2799360.

The previous prime is 8164939. The next prime is 8164943. The reversal of 8164940 is 494618.

It is a junction number, because it is equal to n+sod(n) for n = 8164897 and 8164906.

It is not an unprimeable number, because it can be changed into a prime (8164943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29021 + ... + 29300.

It is an arithmetic number, because the mean of its divisors is an integer number (816508).

Almost surely, 28164940 is an apocalyptic number.

It is an amenable number.

8164940 is an abundant number, since it is smaller than the sum of its proper divisors (11431252).

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

8164940 is a wasteful number, since it uses less digits than its factorization.

8164940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58337 (or 58335 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 8164940 is about 2857.4359135421. The cubic root of 8164940 is about 201.3651604826.

The spelling of 8164940 in words is "eight million, one hundred sixty-four thousand, nine hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 58321 116642 233284 291605 408247 583210 816494 1166420 1632988 2041235 4082470 8164940