Base | Representation |
---|---|
bin | 1000100110000… |
… | …10010010011110 |
3 | 12000200000012101 |
4 | 10103002102132 |
5 | 121424131344 |
6 | 11053155314 |
7 | 1533555043 |
oct | 423022236 |
9 | 160600171 |
10 | 72098974 |
11 | 37775032 |
12 | 2018bb3a |
13 | 11c2501c |
14 | 980b1ca |
15 | 64e29d4 |
hex | 44c249e |
72098974 has 16 divisors (see below), whose sum is σ = 114983712. Its totient is φ = 33830368.
The previous prime is 72098969. The next prime is 72098981. The reversal of 72098974 is 47989027.
It is a Harshad number since it is a multiple of its sum of digits (46).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12349 + ... + 17224.
It is an arithmetic number, because the mean of its divisors is an integer number (7186482).
Almost surely, 272098974 is an apocalyptic number.
72098974 is a deficient number, since it is larger than the sum of its proper divisors (42884738).
72098974 is a wasteful number, since it uses less digits than its factorization.
72098974 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29651.
The product of its (nonzero) digits is 254016, while the sum is 46.
The square root of 72098974 is about 8491.1114702376. Note that the first 3 decimals coincide. The cubic root of 72098974 is about 416.2073016049.
The spelling of 72098974 in words is "seventy-two million, ninety-eight thousand, nine hundred seventy-four".
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