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38297856 = 283471061
BaseRepresentation
bin1001001000011…
…0000100000000
32200001201210010
42102012010000
534301012411
63444504520
7643345362
oct222060400
980051703
1038297856
111a688823
12109ab140
137c1bb6c
14512cd32
1535677a6
hex2486100

38297856 has 72 divisors (see below), whose sum is σ = 104194944. Its totient is φ = 12482560.

The previous prime is 38297843. The next prime is 38297867. The reversal of 38297856 is 65879283.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 35566 + ... + 36626.

It is an arithmetic number, because the mean of its divisors is an integer number (1447152).

Almost surely, 238297856 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 38297856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52097472).

38297856 is an abundant number, since it is smaller than the sum of its proper divisors (65897088).

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

38297856 is a wasteful number, since it uses less digits than its factorization.

38297856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127 (or 1113 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The square root of 38297856 is about 6188.5261573334. The cubic root of 38297856 is about 337.0736630409.

The spelling of 38297856 in words is "thirty-eight million, two hundred ninety-seven thousand, eight hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 47 48 64 94 96 128 141 188 192 256 282 376 384 564 752 768 1061 1128 1504 2122 2256 3008 3183 4244 4512 6016 6366 8488 9024 12032 12732 16976 18048 25464 33952 36096 49867 50928 67904 99734 101856 135808 149601 199468 203712 271616 299202 398936 407424 598404 797872 814848 1196808 1595744 2393616 3191488 4787232 6382976 9574464 12765952 19148928 38297856