Base | Representation |
---|---|
bin | 11110000100101… |
… | …10011011111111 |
3 | 122120200212110110 |
4 | 33002112123333 |
5 | 1004040240211 |
6 | 41011041103 |
7 | 6152203653 |
oct | 1702263377 |
9 | 576625413 |
10 | 252274431 |
11 | 11a447572 |
12 | 705a0193 |
13 | 4035aa16 |
14 | 2570ca63 |
15 | 17232ea6 |
hex | f0966ff |
252274431 has 16 divisors (see below), whose sum is σ = 341826048. Its totient is φ = 165463200.
The previous prime is 252274409. The next prime is 252274439. The reversal of 252274431 is 134472252.
It is not a de Polignac number, because 252274431 - 26 = 252274367 is a prime.
It is a super-2 number, since 2×2522744312 = 127284777072747522, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (252274439) 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, 133465 + ... + 135341.
It is an arithmetic number, because the mean of its divisors is an integer number (21364128).
Almost surely, 2252274431 is an apocalyptic number.
252274431 is a deficient number, since it is larger than the sum of its proper divisors (89551617).
252274431 is a wasteful number, since it uses less digits than its factorization.
252274431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2582.
The product of its digits is 13440, while the sum is 30.
The square root of 252274431 is about 15883.1492784019. The cubic root of 252274431 is about 631.8651629440.
The spelling of 252274431 in words is "two hundred fifty-two million, two hundred seventy-four thousand, four hundred thirty-one".
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