Base | Representation |
---|---|
bin | 1000101000000… |
… | …01101111110001 |
3 | 12001011012202011 |
4 | 10110001233301 |
5 | 122010441042 |
6 | 11102522521 |
7 | 1536016612 |
oct | 424015761 |
9 | 161135664 |
10 | 72358897 |
11 | 37932346 |
12 | 20296441 |
13 | 11cb6420 |
14 | 9877c09 |
15 | 6544a17 |
hex | 4501bf1 |
72358897 has 32 divisors (see below), whose sum is σ = 87736320. Its totient is φ = 59019840.
The previous prime is 72358883. The next prime is 72358921. The reversal of 72358897 is 79885327.
It is a de Polignac number, because none of the positive numbers 2k-72358897 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 72358897.
It is not an unprimeable number, because it can be changed into a prime (72358837) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 266872 + ... + 267142.
It is an arithmetic number, because the mean of its divisors is an integer number (2741760).
Almost surely, 272358897 is an apocalyptic number.
It is an amenable number.
72358897 is a deficient number, since it is larger than the sum of its proper divisors (15377423).
72358897 is a wasteful number, since it uses less digits than its factorization.
With its successor (72358898) it forms an eRAP, since the sums of their prime factors are consecutive (373 and 374).
72358897 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 373.
The product of its digits is 846720, while the sum is 49.
The square root of 72358897 is about 8506.4032939898. The cubic root of 72358897 is about 416.7068561412.
The spelling of 72358897 in words is "seventy-two million, three hundred fifty-eight thousand, eight hundred ninety-seven".
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