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38992048 = 2431127619
BaseRepresentation
bin1001010010111…
…1100010110000
32201101000000221
42110233202300
534440221143
63511422424
7652266304
oct224574260
981330027
1038992048
1120012337
1211084a14
138102b24
14526dd04
1536532ed
hex252f8b0

38992048 has 40 divisors (see below), whose sum is σ = 78725120. Its totient is φ = 18688320.

The previous prime is 38992021. The next prime is 38992087. The reversal of 38992048 is 84029983.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 38991995 and 38992013.

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, 62683 + ... + 63301.

It is an arithmetic number, because the mean of its divisors is an integer number (1968128).

Almost surely, 238992048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38992048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39362560).

38992048 is an abundant number, since it is smaller than the sum of its proper divisors (39733072).

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

38992048 is a wasteful number, since it uses less digits than its factorization.

38992048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785 (or 779 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 38992048 is about 6244.3612964017. The cubic root of 38992048 is about 339.0980940908.

The spelling of 38992048 in words is "thirty-eight million, nine hundred ninety-two thousand, forty-eight".

Divisors: 1 2 4 8 16 31 62 124 127 248 254 496 508 619 1016 1238 2032 2476 3937 4952 7874 9904 15748 19189 31496 38378 62992 76756 78613 153512 157226 307024 314452 628904 1257808 2437003 4874006 9748012 19496024 38992048