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38491068 = 22372112541
BaseRepresentation
bin1001001011010…
…1001110111100
32200102112211010
42102311032330
534323203233
63452555220
7645111600
oct222651674
980375733
1038491068
111a7aaa00
1210a82b10
137c88aa5
14517d500
1535a4b63
hex24b53bc

38491068 has 108 divisors (see below), whose sum is σ = 115049256. Its totient is φ = 9979200.

The previous prime is 38491067. The next prime is 38491127. The reversal of 38491068 is 86019483.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38491067) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 70878 + ... + 71418.

Almost surely, 238491068 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 38491068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57524628).

38491068 is an abundant number, since it is smaller than the sum of its proper divisors (76558188).

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

38491068 is a wasteful number, since it uses less digits than its factorization.

38491068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584 (or 564 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 38491068 is about 6204.1170201730. The cubic root of 38491068 is about 337.6395560032.

The spelling of 38491068 in words is "thirty-eight million, four hundred ninety-one thousand, sixty-eight".

Divisors: 1 2 3 4 6 7 11 12 14 21 22 28 33 42 44 49 66 77 84 98 121 132 147 154 196 231 242 294 308 363 462 484 539 541 588 726 847 924 1078 1082 1452 1617 1623 1694 2156 2164 2541 3234 3246 3388 3787 5082 5929 5951 6468 6492 7574 10164 11361 11858 11902 15148 17787 17853 22722 23716 23804 26509 35574 35706 41657 45444 53018 65461 71148 71412 79527 83314 106036 124971 130922 159054 166628 196383 249942 261844 291599 318108 392766 458227 499884 583198 785532 874797 916454 1166396 1374681 1749594 1832908 2749362 3207589 3499188 5498724 6415178 9622767 12830356 19245534 38491068