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38812896 = 25321941173
BaseRepresentation
bin1001010000001…
…1110011100000
32201000220021200
42110003303200
534414003041
63503521200
7650622063
oct224036340
981026250
1038812896
111a9aa781
1210bb9200
13806c415
1452248da
15361a1b6
hex2503ce0

38812896 has 144 divisors (see below), whose sum is σ = 119705040. Its totient is φ = 11888640.

The previous prime is 38812867. The next prime is 38812903. The reversal of 38812896 is 69821883.

It is a tau number, because it is divible by the number of its divisors (144).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 224266 + ... + 224438.

It is an arithmetic number, because the mean of its divisors is an integer number (831285).

Almost surely, 238812896 is an apocalyptic number.

38812896 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38812896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59852520).

38812896 is an abundant number, since it is smaller than the sum of its proper divisors (80892144).

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

38812896 is a wasteful number, since it uses less digits than its factorization.

38812896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 238 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 38812896 is about 6229.9996789727. Note that the first 3 decimals coincide. The cubic root of 38812896 is about 338.5779591449.

The spelling of 38812896 in words is "thirty-eight million, eight hundred twelve thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 32 36 38 41 48 57 72 76 82 96 114 123 144 152 164 171 173 228 246 288 304 328 342 346 369 456 492 519 608 656 684 692 738 779 912 984 1038 1312 1368 1384 1476 1557 1558 1824 1968 2076 2337 2736 2768 2952 3114 3116 3287 3936 4152 4674 5472 5536 5904 6228 6232 6574 7011 7093 8304 9348 9861 11808 12456 12464 13148 14022 14186 16608 18696 19722 21279 24912 24928 26296 28044 28372 29583 37392 39444 42558 49824 52592 56088 56744 59166 63837 74784 78888 85116 105184 112176 113488 118332 127674 134767 157776 170232 224352 226976 236664 255348 269534 315552 340464 404301 473328 510696 539068 680928 808602 946656 1021392 1078136 1212903 1617204 2042784 2156272 2425806 3234408 4312544 4851612 6468816 9703224 12937632 19406448 38812896