Base | Representation |
---|---|
bin | 1000101001100… |
… | …01101110010110 |
3 | 12001112012022120 |
4 | 10110301232112 |
5 | 122033233124 |
6 | 11111040410 |
7 | 1540465551 |
oct | 424615626 |
9 | 161465276 |
10 | 72555414 |
11 | 37a56a58 |
12 | 20370106 |
13 | 120549c9 |
14 | 98c9698 |
15 | 6582d79 |
hex | 4531b96 |
72555414 has 32 divisors (see below), whose sum is σ = 154176000. Its totient is φ = 22698144.
The previous prime is 72555391. The next prime is 72555421. The reversal of 72555414 is 41455527.
It is a super-2 number, since 2×725554142 = 10528576201422792, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9507 + ... + 15345.
It is an arithmetic number, because the mean of its divisors is an integer number (4818000).
Almost surely, 272555414 is an apocalyptic number.
72555414 is an abundant number, since it is smaller than the sum of its proper divisors (81620586).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72555414 is a wasteful number, since it uses less digits than its factorization.
72555414 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5972.
The product of its digits is 28000, while the sum is 33.
The square root of 72555414 is about 8517.9465835376. The cubic root of 72555414 is about 417.0837550080.
The spelling of 72555414 in words is "seventy-two million, five hundred fifty-five thousand, four hundred fourteen".
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