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38900806 = 272396947
BaseRepresentation
bin1001010001100…
…1010001000110
32201012100212121
42110121101012
534424311211
63505440154
7651436300
oct224312106
981170777
1038900806
111aa5a82a
121104005a
1380a0439
145248970
153636271
hex2519446

38900806 has 12 divisors (see below), whose sum is σ = 67878108. Its totient is φ = 16671732.

The previous prime is 38900791. The next prime is 38900833. The reversal of 38900806 is 60800983.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 198376 + ... + 198571.

It is an arithmetic number, because the mean of its divisors is an integer number (5656509).

Almost surely, 238900806 is an apocalyptic number.

38900806 is a deficient number, since it is larger than the sum of its proper divisors (28977302).

38900806 is a wasteful number, since it uses less digits than its factorization.

38900806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396963 (or 396956 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 38900806 is about 6237.0510660087. The cubic root of 38900806 is about 338.8333892372.

The spelling of 38900806 in words is "thirty-eight million, nine hundred thousand, eight hundred six".

Divisors: 1 2 7 14 49 98 396947 793894 2778629 5557258 19450403 38900806