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38785668 = 22311328603
BaseRepresentation
bin1001001111110…
…1001010000100
32200222111221020
42103331022010
534412120133
63503151140
7650446515
oct223751204
980874836
1038785668
111a991279
1210ba54b0
13805cbcc
145218a0c
1536120b3
hex24fd284

38785668 has 24 divisors (see below), whose sum is σ = 91303968. Its totient is φ = 12813696.

The previous prime is 38785639. The next prime is 38785679. The reversal of 38785668 is 86658783.

It is a self number, because there is not a number n which added to its sum of digits gives 38785668.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12946 + ... + 15657.

It is an arithmetic number, because the mean of its divisors is an integer number (3804332).

Almost surely, 238785668 is an apocalyptic number.

It is an amenable number.

38785668 is an abundant number, since it is smaller than the sum of its proper divisors (52518300).

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

38785668 is a wasteful number, since it uses less digits than its factorization.

38785668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28723 (or 28721 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 51.

The square root of 38785668 is about 6227.8140627350. The cubic root of 38785668 is about 338.4987676202.

The spelling of 38785668 in words is "thirty-eight million, seven hundred eighty-five thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 12 113 226 339 452 678 1356 28603 57206 85809 114412 171618 343236 3232139 6464278 9696417 12928556 19392834 38785668