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38133732 = 22371347743
BaseRepresentation
bin1001000101110…
…1111111100100
32122202101122110
42101131333210
534230234412
63441201020
7642063030
oct221357744
978671573
1038133732
111a58648a
1210930170
137b92250
1450c91c0
153533d3c
hex245dfe4

38133732 has 96 divisors (see below), whose sum is σ = 111992832. Its totient is φ = 9830016.

The previous prime is 38133713. The next prime is 38133743. The reversal of 38133732 is 23733183.

It is a self number, because there is not a number n which added to its sum of digits gives 38133732.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50953 + ... + 51695.

It is an arithmetic number, because the mean of its divisors is an integer number (1166592).

Almost surely, 238133732 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 38133732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55996416).

38133732 is an abundant number, since it is smaller than the sum of its proper divisors (73859100).

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

38133732 is a wasteful number, since it uses less digits than its factorization.

38133732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817 (or 815 counting only the distinct ones).

The product of its digits is 9072, while the sum is 30.

The square root of 38133732 is about 6175.2515738227. The cubic root of 38133732 is about 336.5914681354.

The spelling of 38133732 in words is "thirty-eight million, one hundred thirty-three thousand, seven hundred thirty-two".

Divisors: 1 2 3 4 6 7 12 13 14 21 26 28 39 42 47 52 78 84 91 94 141 156 182 188 273 282 329 364 546 564 611 658 743 987 1092 1222 1316 1486 1833 1974 2229 2444 2972 3666 3948 4277 4458 5201 7332 8554 8916 9659 10402 12831 15603 17108 19318 20804 25662 28977 31206 34921 38636 51324 57954 62412 67613 69842 104763 115908 135226 139684 202839 209526 244447 270452 405678 419052 453973 488894 733341 811356 907946 977788 1361919 1466682 1815892 2723838 2933364 3177811 5447676 6355622 9533433 12711244 19066866 38133732