Base | Representation |
---|---|
bin | 11110000101111… |
… | …10011101001111 |
3 | 122121000012022120 |
4 | 33002332131033 |
5 | 1004111011401 |
6 | 41014344023 |
7 | 6153455604 |
oct | 1702763517 |
9 | 577005276 |
10 | 252438351 |
11 | 11a549740 |
12 | 7065b013 |
13 | 403b7509 |
14 | 257526ab |
15 | 17266836 |
hex | f0be74f |
252438351 has 16 divisors (see below), whose sum is σ = 386509440. Its totient is φ = 144940320.
The previous prime is 252438293. The next prime is 252438371. The reversal of 252438351 is 153834252.
It is not a de Polignac number, because 252438351 - 210 = 252437327 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (252438371) 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, 200680 + ... + 201933.
It is an arithmetic number, because the mean of its divisors is an integer number (24156840).
Almost surely, 2252438351 is an apocalyptic number.
252438351 is a deficient number, since it is larger than the sum of its proper divisors (134071089).
252438351 is a wasteful number, since it uses less digits than its factorization.
252438351 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 402646.
The product of its digits is 28800, while the sum is 33.
The square root of 252438351 is about 15888.3086261565. The cubic root of 252438351 is about 632.0019886908.
The spelling of 252438351 in words is "two hundred fifty-two million, four hundred thirty-eight thousand, three hundred fifty-one".
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