Base | Representation |
---|---|
bin | 1000000110100… |
… | …10110000111000 |
3 | 11201220100021010 |
4 | 10003102300320 |
5 | 114400102102 |
6 | 10424513520 |
7 | 1453516353 |
oct | 403226070 |
9 | 151810233 |
10 | 67972152 |
11 | 35406536 |
12 | 1a91b8a0 |
13 | 1110b811 |
14 | 905529a |
15 | 5e79d6c |
hex | 40d2c38 |
67972152 has 32 divisors (see below), whose sum is σ = 173548800. Its totient is φ = 22174944.
The previous prime is 67972147. The next prime is 67972187. The reversal of 67972152 is 25127976.
It is a super-2 number, since 2×679721522 = 9240426895022208, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 67972152.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29002 + ... + 31257.
It is an arithmetic number, because the mean of its divisors is an integer number (5423400).
Almost surely, 267972152 is an apocalyptic number.
It is an amenable number.
67972152 is an abundant number, since it is smaller than the sum of its proper divisors (105576648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67972152 is a wasteful number, since it uses less digits than its factorization.
67972152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60315 (or 60311 counting only the distinct ones).
The product of its digits is 52920, while the sum is 39.
The square root of 67972152 is about 8244.5225453024. The cubic root of 67972152 is about 408.1097839901.
The spelling of 67972152 in words is "sixty-seven million, nine hundred seventy-two thousand, one hundred fifty-two".
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