Base | Representation |
---|---|
bin | 10010001110100… |
… | …10001000100111 |
3 | 101122201100011200 |
4 | 21013102020213 |
5 | 303120413411 |
6 | 23101133543 |
7 | 3534443634 |
oct | 1107221047 |
9 | 348640150 |
10 | 152904231 |
11 | 79346237 |
12 | 4325a2b3 |
13 | 258a7a9c |
14 | 1644318b |
15 | d654e56 |
hex | 91d2227 |
152904231 has 6 divisors (see below), whose sum is σ = 220861680. Its totient is φ = 101936148.
The previous prime is 152904217. The next prime is 152904233. The reversal of 152904231 is 132409251.
152904231 is a `hidden beast` number, since 152 + 90 + 423 + 1 = 666.
It is not a de Polignac number, because 152904231 - 210 = 152903207 is a prime.
It is a super-2 number, since 2×1529042312 = 46759407715402722, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 152904195 and 152904204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (152904233) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8494671 + ... + 8494688.
It is an arithmetic number, because the mean of its divisors is an integer number (36810280).
Almost surely, 2152904231 is an apocalyptic number.
152904231 is a deficient number, since it is larger than the sum of its proper divisors (67957449).
152904231 is a wasteful number, since it uses less digits than its factorization.
152904231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16989365 (or 16989362 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 27.
The square root of 152904231 is about 12365.4450384934. The cubic root of 152904231 is about 534.7365063440.
The spelling of 152904231 in words is "one hundred fifty-two million, nine hundred four thousand, two hundred thirty-one".
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