Base | Representation |
---|---|
bin | 1000101000001… |
… | …01001011001001 |
3 | 12001011221000011 |
4 | 10110011023021 |
5 | 122011413222 |
6 | 11103111521 |
7 | 1536105550 |
oct | 424051311 |
9 | 161157004 |
10 | 72372937 |
11 | 3794194a |
12 | 202a25a1 |
13 | 11cbc930 |
14 | 987cd97 |
15 | 6548c77 |
hex | 45052c9 |
72372937 has 8 divisors (see below), whose sum is σ = 89074496. Its totient is φ = 57262032.
The previous prime is 72372907. The next prime is 72372947. The reversal of 72372937 is 73927327.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 72372937 - 211 = 72370889 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 72372937.
It is not an unprimeable number, because it can be changed into a prime (72372907) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397563 + ... + 397744.
It is an arithmetic number, because the mean of its divisors is an integer number (11134312).
Almost surely, 272372937 is an apocalyptic number.
It is an amenable number.
72372937 is a deficient number, since it is larger than the sum of its proper divisors (16701559).
72372937 is a wasteful number, since it uses less digits than its factorization.
72372937 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 795327.
The product of its digits is 111132, while the sum is 40.
The square root of 72372937 is about 8507.2285146221. The cubic root of 72372937 is about 416.7338059987.
The spelling of 72372937 in words is "seventy-two million, three hundred seventy-two thousand, nine hundred thirty-seven".
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