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38501868 = 2233208489
BaseRepresentation
bin1001001011011…
…1110111101100
32200110002122010
42102313313230
534324024433
63453121220
7645155226
oct222676754
980402563
1038501868
111a808029
1210a89210
137c90992
145183416
1535a7e63
hex24b7dec

38501868 has 12 divisors (see below), whose sum is σ = 89837720. Its totient is φ = 12833952.

The previous prime is 38501857. The next prime is 38501909. The reversal of 38501868 is 86810583.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

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, 1604233 + ... + 1604256.

Almost surely, 238501868 is an apocalyptic number.

It is an amenable number.

38501868 is an abundant number, since it is smaller than the sum of its proper divisors (51335852).

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

38501868 is a wasteful number, since it uses less digits than its factorization.

38501868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3208496 (or 3208494 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 38501868 is about 6204.9873488993. The cubic root of 38501868 is about 337.6711318673.

The spelling of 38501868 in words is "thirty-eight million, five hundred one thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 3208489 6416978 9625467 12833956 19250934 38501868