Base | Representation |
---|---|
bin | 1000100110100… |
… | …10001011111000 |
3 | 12000210022112000 |
4 | 10103102023320 |
5 | 121433222323 |
6 | 11054421000 |
7 | 1534245633 |
oct | 423221370 |
9 | 160708460 |
10 | 72164088 |
11 | 37809a47 |
12 | 20201760 |
13 | 11c48859 |
14 | 9826c1a |
15 | 6506e43 |
hex | 44d22f8 |
72164088 has 32 divisors (see below), whose sum is σ = 200456400. Its totient is φ = 24054624.
The previous prime is 72164047. The next prime is 72164107. The reversal of 72164088 is 88046127.
72164088 is a `hidden beast` number, since 7 + 2 + 1 + 640 + 8 + 8 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
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, 166831 + ... + 167262.
Almost surely, 272164088 is an apocalyptic number.
It is an amenable number.
72164088 is an abundant number, since it is smaller than the sum of its proper divisors (128292312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72164088 is a wasteful number, since it uses less digits than its factorization.
72164088 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 334108 (or 334098 counting only the distinct ones).
The product of its (nonzero) digits is 21504, while the sum is 36.
The square root of 72164088 is about 8494.9448497327. The cubic root of 72164088 is about 416.3325589022.
The spelling of 72164088 in words is "seventy-two million, one hundred sixty-four thousand, eighty-eight".
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