Base | Representation |
---|---|
bin | 1000101011101… |
… | …11100100111100 |
3 | 12002001201210112 |
4 | 10111313210330 |
5 | 122121412112 |
6 | 11121125152 |
7 | 1543066661 |
oct | 425674474 |
9 | 162051715 |
10 | 72841532 |
11 | 38131a15 |
12 | 204897b8 |
13 | 12124cca |
14 | 9961a68 |
15 | 65dca22 |
hex | 457793c |
72841532 has 24 divisors (see below), whose sum is σ = 135517536. Its totient is φ = 34139648.
The previous prime is 72841523. The next prime is 72841541. The reversal of 72841532 is 23514827.
It is an interprime number because it is at equal distance from previous prime (72841523) and next prime (72841541).
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, 15848 + ... + 19920.
It is an arithmetic number, because the mean of its divisors is an integer number (5646564).
Almost surely, 272841532 is an apocalyptic number.
It is an amenable number.
72841532 is a deficient number, since it is larger than the sum of its proper divisors (62676004).
72841532 is a wasteful number, since it uses less digits than its factorization.
72841532 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4357 (or 4355 counting only the distinct ones).
The product of its digits is 13440, while the sum is 32.
The square root of 72841532 is about 8534.7250687998. The cubic root of 72841532 is about 417.6312843251.
The spelling of 72841532 in words is "seventy-two million, eight hundred forty-one thousand, five hundred thirty-two".
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