Base | Representation |
---|---|
bin | 1000101011000… |
… | …10010011111110 |
3 | 12001220022022112 |
4 | 10111202103332 |
5 | 122111120210 |
6 | 11115214022 |
7 | 1542255020 |
oct | 425422376 |
9 | 161808275 |
10 | 72754430 |
11 | 38082531 |
12 | 20447312 |
13 | 120c4478 |
14 | 993c010 |
15 | 65c1d05 |
hex | 45624fe |
72754430 has 16 divisors (see below), whose sum is σ = 149666400. Its totient is φ = 24944352.
The previous prime is 72754411. The next prime is 72754453. The reversal of 72754430 is 3445727.
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, 519605 + ... + 519744.
It is an arithmetic number, because the mean of its divisors is an integer number (9354150).
Almost surely, 272754430 is an apocalyptic number.
72754430 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
72754430 is an abundant number, since it is smaller than the sum of its proper divisors (76911970).
72754430 is a wasteful number, since it uses less digits than its factorization.
72754430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1039363.
The product of its (nonzero) digits is 23520, while the sum is 32.
The square root of 72754430 is about 8529.6207418619. The cubic root of 72754430 is about 417.4647537386.
The spelling of 72754430 in words is "seventy-two million, seven hundred fifty-four thousand, four hundred thirty".
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