Base | Representation |
---|---|
bin | 10010001111000… |
… | …10110010111111 |
3 | 101122211210210101 |
4 | 21013202302333 |
5 | 303130104404 |
6 | 23102421531 |
7 | 3535146622 |
oct | 1107426277 |
9 | 348753711 |
10 | 152972479 |
11 | 79392540 |
12 | 432918a7 |
13 | 258ccb7a |
14 | 1645ddb9 |
15 | d66a2a4 |
hex | 91e2cbf |
152972479 has 16 divisors (see below), whose sum is σ = 169798176. Its totient is φ = 136656000.
The previous prime is 152972461. The next prime is 152972483. The reversal of 152972479 is 974279251.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 152972479 - 25 = 152972447 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (152972459) 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, 173989 + ... + 174865.
It is an arithmetic number, because the mean of its divisors is an integer number (10612386).
Almost surely, 2152972479 is an apocalyptic number.
152972479 is a deficient number, since it is larger than the sum of its proper divisors (16825697).
152972479 is a wasteful number, since it uses less digits than its factorization.
152972479 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1146.
The product of its digits is 317520, while the sum is 46.
The square root of 152972479 is about 12368.2043563324. The cubic root of 152972479 is about 534.8160534532.
The spelling of 152972479 in words is "one hundred fifty-two million, nine hundred seventy-two thousand, four hundred seventy-nine".
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