Base | Representation |
---|---|
bin | 1000010001101… |
… | …01111011100000 |
3 | 11211122020211010 |
4 | 10020311323200 |
5 | 120233130122 |
6 | 10520020520 |
7 | 1502055552 |
oct | 410657340 |
9 | 154566733 |
10 | 69426912 |
11 | 3620a515 |
12 | 1b301740 |
13 | 114caa19 |
14 | 93134d2 |
15 | 6165e0c |
hex | 4235ee0 |
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".
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