Base | Representation |
---|---|
bin | 11011001111111… |
… | …000001100011001 |
3 | 1011212012111000100 |
4 | 123033320030121 |
5 | 1414012202121 |
6 | 113210130013 |
7 | 14220454362 |
oct | 3317701431 |
9 | 1155174010 |
10 | 457147161 |
11 | 215058479 |
12 | 109120909 |
13 | 7392cba3 |
14 | 449dcb69 |
15 | 2a201026 |
hex | 1b3f8319 |
457147161 has 9 divisors (see below), whose sum is σ = 660416341. Its totient is φ = 304722012.
The previous prime is 457147127. The next prime is 457147181. The reversal of 457147161 is 161741754.
The square root of 457147161 is 21381.
It is a perfect power (a square), and thus also a powerful number.
457147161 is a `hidden beast` number, since 457 + 1 + 47 + 161 = 666.
It is a tau number, because it is divible by the number of its divisors (9).
It is a de Polignac number, because none of the positive numbers 2k-457147161 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (457147181) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 60580 + ... + 67706.
Almost surely, 2457147161 is an apocalyptic number.
457147161 is the 21381-st square number.
457147161 is the 10691-st centered octagonal number.
It is an amenable number.
457147161 is a deficient number, since it is larger than the sum of its proper divisors (203269180).
457147161 is an frugal number, since it uses more digits than its factorization.
457147161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14260 (or 7130 counting only the distinct ones).
The product of its digits is 23520, while the sum is 36.
The cubic root of 457147161 is about 770.3451317261.
Multiplying 457147161 by its sum of digits (36), we get a square (16457297796 = 1282862).
The spelling of 457147161 in words is "four hundred fifty-seven million, one hundred forty-seven thousand, one hundred sixty-one".
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