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69426912 = 25317192239
BaseRepresentation
bin1000010001101…
…01111011100000
311211122020211010
410020311323200
5120233130122
610520020520
71502055552
oct410657340
9154566733
1069426912
113620a515
121b301740
13114caa19
1493134d2
156165e0c
hex4235ee0

69426912 has 96 divisors (see below), whose sum is σ = 203212800. Its totient is φ = 20625408.

The previous prime is 69426901. The next prime is 69426913. The reversal of 69426912 is 21962496.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×694269122 = 9640192219711488, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69426913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29889 + ... + 32127.

It is an arithmetic number, because the mean of its divisors is an integer number (2116800).

Almost surely, 269426912 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 69426912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101606400).

69426912 is an abundant number, since it is smaller than the sum of its proper divisors (133785888).

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

69426912 is a wasteful number, since it uses less digits than its factorization.

69426912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2288 (or 2280 counting only the distinct ones).

The product of its digits is 46656, while the sum is 39.

The square root of 69426912 is about 8332.2813202628. The cubic root of 69426912 is about 411.0007518294. Note that the first 3 decimals are identical.

The spelling of 69426912 in words is "sixty-nine million, four hundred twenty-six thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 17 19 24 32 34 38 48 51 57 68 76 96 102 114 136 152 204 228 272 304 323 408 456 544 608 646 816 912 969 1292 1632 1824 1938 2239 2584 3876 4478 5168 6717 7752 8956 10336 13434 15504 17912 26868 31008 35824 38063 42541 53736 71648 76126 85082 107472 114189 127623 152252 170164 214944 228378 255246 304504 340328 456756 510492 609008 680656 723197 913512 1020984 1218016 1361312 1446394 1827024 2041968 2169591 2892788 3654048 4083936 4339182 5785576 8678364 11571152 17356728 23142304 34713456 69426912