Base | Representation |
---|---|
bin | 1000101100110… |
… | …00010011101010 |
3 | 12002022112200210 |
4 | 10112120103222 |
5 | 122140204334 |
6 | 11124041550 |
7 | 1544165556 |
oct | 426302352 |
9 | 162275623 |
10 | 72975594 |
11 | 3821370a |
12 | 205332b6 |
13 | 12171033 |
14 | 9998866 |
15 | 66175e9 |
hex | 45984ea |
72975594 has 32 divisors (see below), whose sum is σ = 157464000. Its totient is φ = 22460672.
The previous prime is 72975593. The next prime is 72975607. The reversal of 72975594 is 49557927.
It is a nialpdrome in base 14.
It is a zygodrome in base 14.
It is not an unprimeable number, because it can be changed into a prime (72975593) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1344 + ... + 12155.
It is an arithmetic number, because the mean of its divisors is an integer number (4920750).
Almost surely, 272975594 is an apocalyptic number.
72975594 is an abundant number, since it is smaller than the sum of its proper divisors (84488406).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72975594 is a wasteful number, since it uses less digits than its factorization.
72975594 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13574.
The product of its digits is 793800, while the sum is 48.
The square root of 72975594 is about 8542.5753728018. The cubic root of 72975594 is about 417.8873386693.
The spelling of 72975594 in words is "seventy-two million, nine hundred seventy-five thousand, five hundred ninety-four".
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