Base | Representation |
---|---|
bin | 1000101010011… |
… | …10001101111100 |
3 | 12001202010102011 |
4 | 10111032031330 |
5 | 122101001444 |
6 | 11113341004 |
7 | 1541463040 |
oct | 425161574 |
9 | 161663364 |
10 | 72672124 |
11 | 38026708 |
12 | 20407764 |
13 | 12095b75 |
14 | 991a020 |
15 | 65a7734 |
hex | 454e37c |
72672124 has 12 divisors (see below), whose sum is σ = 145344304. Its totient is φ = 31145184.
The previous prime is 72672079. The next prime is 72672137. The reversal of 72672124 is 42127627.
72672124 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1297689 + ... + 1297744.
Almost surely, 272672124 is an apocalyptic number.
It is an amenable number.
72672124 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72672124 is a wasteful number, since it uses less digits than its factorization.
72672124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2595444 (or 2595442 counting only the distinct ones).
The product of its digits is 9408, while the sum is 31.
The square root of 72672124 is about 8524.7946602836. The cubic root of 72672124 is about 417.3072704573.
The spelling of 72672124 in words is "seventy-two million, six hundred seventy-two thousand, one hundred twenty-four".
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