Base | Representation |
---|---|
bin | 1000101010101… |
… | …11001001011101 |
3 | 12001210222120212 |
4 | 10111113021131 |
5 | 122103134301 |
6 | 11114222205 |
7 | 1542004502 |
oct | 425271135 |
9 | 161728525 |
10 | 72708701 |
11 | 3805113a |
12 | 20424965 |
13 | 120a9700 |
14 | 99294a9 |
15 | 65b34bb |
hex | 455725d |
72708701 has 12 divisors (see below), whose sum is σ = 79143840. Its totient is φ = 66764880.
The previous prime is 72708683. The next prime is 72708719. The reversal of 72708701 is 10780727.
It is an interprime number because it is at equal distance from previous prime (72708683) and next prime (72708719).
It is not a de Polignac number, because 72708701 - 218 = 72446557 is a prime.
It is a super-2 number, since 2×727087012 = 10573110402214802, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72708731) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34640 + ... + 36678.
It is an arithmetic number, because the mean of its divisors is an integer number (6595320).
Almost surely, 272708701 is an apocalyptic number.
It is an amenable number.
72708701 is a deficient number, since it is larger than the sum of its proper divisors (6435139).
72708701 is a wasteful number, since it uses less digits than its factorization.
72708701 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2276 (or 2263 counting only the distinct ones).
The product of its (nonzero) digits is 5488, while the sum is 32.
The square root of 72708701 is about 8526.9397206735. The cubic root of 72708701 is about 417.3772711080.
The spelling of 72708701 in words is "seventy-two million, seven hundred eight thousand, seven hundred one".
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