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38992074 = 2311738093
BaseRepresentation
bin1001010010111…
…1100011001010
32201101000001220
42110233203022
534440221244
63511422510
7652266342
oct224574312
981330056
1038992074
1120012360
1211084a36
138102b44
14526dd22
153653319
hex252f8ca

38992074 has 32 divisors (see below), whose sum is σ = 86249664. Its totient is φ = 11652480.

The previous prime is 38992021. The next prime is 38992087. The reversal of 38992074 is 47029983.

38992074 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 772 + ... + 8864.

It is an arithmetic number, because the mean of its divisors is an integer number (2695302).

Almost surely, 238992074 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38992074, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43124832).

38992074 is an abundant number, since it is smaller than the sum of its proper divisors (47257590).

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

38992074 is a wasteful number, since it uses less digits than its factorization.

38992074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8182.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 38992074 is about 6244.3633782796. The cubic root of 38992074 is about 339.0981694613.

The spelling of 38992074 in words is "thirty-eight million, nine hundred ninety-two thousand, seventy-four".

Divisors: 1 2 3 6 11 22 33 66 73 146 219 438 803 1606 2409 4818 8093 16186 24279 48558 89023 178046 267069 534138 590789 1181578 1772367 3544734 6498679 12997358 19496037 38992074