Base | Representation |
---|---|
bin | 1000000011111… |
… | …10111101111100 |
3 | 11201020220102222 |
4 | 10001332331330 |
5 | 114303111144 |
6 | 10413304512 |
7 | 1450556606 |
oct | 401767574 |
9 | 151226388 |
10 | 67628924 |
11 | 351a1680 |
12 | 1a795138 |
13 | 1101b51c |
14 | 8da6176 |
15 | 5e0d2ee |
hex | 407ef7c |
67628924 has 48 divisors (see below), whose sum is σ = 142684416. Its totient is φ = 27667200.
The previous prime is 67628851. The next prime is 67628959. The reversal of 67628924 is 42982676.
It is a super-2 number, since 2×676289242 = 9147342722795552, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (44).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15239 + ... + 19169.
It is an arithmetic number, because the mean of its divisors is an integer number (2972592).
Almost surely, 267628924 is an apocalyptic number.
It is an amenable number.
67628924 is an abundant number, since it is smaller than the sum of its proper divisors (75055492).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67628924 is a wasteful number, since it uses less digits than its factorization.
67628924 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3986 (or 3984 counting only the distinct ones).
The product of its digits is 290304, while the sum is 44.
The square root of 67628924 is about 8223.6806844624. The cubic root of 67628924 is about 407.4217024973.
The spelling of 67628924 in words is "sixty-seven million, six hundred twenty-eight thousand, nine hundred twenty-four".
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