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38964912 = 2437891303
BaseRepresentation
bin1001010010100…
…0111010110000
32201022121210220
42110220322300
534433334122
63511053040
7652124220
oct224507260
981277726
1038964912
111aaa3a08
1211071180
1380c367c
145264080
15364a25c
hex2528eb0

38964912 has 80 divisors (see below), whose sum is σ = 116421120. Its totient is φ = 10999296.

The previous prime is 38964907. The next prime is 38964917. The reversal of 38964912 is 21946983.

It is an interprime number because it is at equal distance from previous prime (38964907) and next prime (38964917).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (38964917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29253 + ... + 30555.

It is an arithmetic number, because the mean of its divisors is an integer number (1455264).

Almost surely, 238964912 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 38964912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58210560).

38964912 is an abundant number, since it is smaller than the sum of its proper divisors (77456208).

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

38964912 is a wasteful number, since it uses less digits than its factorization.

38964912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410 (or 1404 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The square root of 38964912 is about 6242.1880779099. The cubic root of 38964912 is about 339.0194122245.

The spelling of 38964912 in words is "thirty-eight million, nine hundred sixty-four thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 89 112 168 178 267 336 356 534 623 712 1068 1246 1303 1424 1869 2136 2492 2606 3738 3909 4272 4984 5212 7476 7818 9121 9968 10424 14952 15636 18242 20848 27363 29904 31272 36484 54726 62544 72968 109452 115967 145936 218904 231934 347901 437808 463868 695802 811769 927736 1391604 1623538 1855472 2435307 2783208 3247076 4870614 5566416 6494152 9741228 12988304 19482456 38964912