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38900930 = 2517228829
BaseRepresentation
bin1001010001100…
…1010011000010
32201012101001012
42110121103002
534424312210
63505440522
7651436535
oct224312302
981171035
1038900930
111aa5a932
1211040142
1380a0503
145248a1c
153636305
hex25194c2

38900930 has 16 divisors (see below), whose sum is σ = 74140920. Its totient is φ = 14644992.

The previous prime is 38900929. The next prime is 38900941. The reversal of 38900930 is 3900983.

It can be written as a sum of positive squares in 4 ways, for example, as 28590409 + 10310521 = 5347^2 + 3211^2 .

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, 114245 + ... + 114584.

Almost surely, 238900930 is an apocalyptic number.

38900930 is a deficient number, since it is larger than the sum of its proper divisors (35239990).

38900930 is a wasteful number, since it uses less digits than its factorization.

38900930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228853.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 38900930 is about 6237.0610065960. The cubic root of 38900930 is about 338.8337492579.

The spelling of 38900930 in words is "thirty-eight million, nine hundred thousand, nine hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 228829 457658 1144145 2288290 3890093 7780186 19450465 38900930