Base | Representation |
---|---|
bin | 11110001001110… |
… | …10101111010111 |
3 | 122121222001121210 |
4 | 33010322233113 |
5 | 1004223304130 |
6 | 41033312503 |
7 | 6161006010 |
oct | 1704725727 |
9 | 577861553 |
10 | 252947415 |
11 | 11a867156 |
12 | 70865733 |
13 | 40535136 |
14 | 25846007 |
15 | 173175b0 |
hex | f13abd7 |
252947415 has 16 divisors (see below), whose sum is σ = 462532608. Its totient is φ = 115633056.
The previous prime is 252947413. The next prime is 252947447. The reversal of 252947415 is 514749252.
It is not a de Polignac number, because 252947415 - 21 = 252947413 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (252947411) 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, 1204407 + ... + 1204616.
It is an arithmetic number, because the mean of its divisors is an integer number (28908288).
Almost surely, 2252947415 is an apocalyptic number.
252947415 is a deficient number, since it is larger than the sum of its proper divisors (209585193).
252947415 is a wasteful number, since it uses less digits than its factorization.
252947415 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2409038.
The product of its digits is 100800, while the sum is 39.
The square root of 252947415 is about 15904.3206393734. The cubic root of 252947415 is about 632.4265325261.
The spelling of 252947415 in words is "two hundred fifty-two million, nine hundred forty-seven thousand, four hundred fifteen".
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