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38093823 = 3231136537
BaseRepresentation
bin1001000101010…
…0001111111111
32122200100220100
42101110033333
534223000243
63440252143
7641535465
oct221241777
978610810
1038093823
111a5594a9
1210911053
137b7a031
1450b8835
1535270d3
hex24543ff

38093823 has 12 divisors (see below), whose sum is σ = 56799808. Its totient is φ = 24576480.

The previous prime is 38093789. The next prime is 38093833. The reversal of 38093823 is 32839083.

It is not a de Polignac number, because 38093823 - 28 = 38093567 is a prime.

It is a super-2 number, since 2×380938232 = 2902278701510658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38093833) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67990 + ... + 68547.

Almost surely, 238093823 is an apocalyptic number.

38093823 is a deficient number, since it is larger than the sum of its proper divisors (18705985).

38093823 is a wasteful number, since it uses less digits than its factorization.

38093823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136574 (or 136571 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 38093823 is about 6172.0193616028. The cubic root of 38093823 is about 336.4740067956.

The spelling of 38093823 in words is "thirty-eight million, ninety-three thousand, eight hundred twenty-three".

Divisors: 1 3 9 31 93 279 136537 409611 1228833 4232647 12697941 38093823