Base | Representation |
---|---|
bin | 10010001010101… |
… | …11001100101101 |
3 | 101121202202102211 |
4 | 21011113030231 |
5 | 303003310220 |
6 | 23042250421 |
7 | 3530245603 |
oct | 1105271455 |
9 | 347682384 |
10 | 152400685 |
11 | 79031988 |
12 | 43056a11 |
13 | 2575c828 |
14 | 16351873 |
15 | d5a5b5a |
hex | 915732d |
152400685 has 8 divisors (see below), whose sum is σ = 184046616. Its totient is φ = 121143360.
The previous prime is 152400641. The next prime is 152400701. The reversal of 152400685 is 586004251.
152400685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 14032516 + 138368169 = 3746^2 + 11763^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 152400685 - 211 = 152398637 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96286 + ... + 97855.
It is an arithmetic number, because the mean of its divisors is an integer number (23005827).
Almost surely, 2152400685 is an apocalyptic number.
It is an amenable number.
152400685 is a deficient number, since it is larger than the sum of its proper divisors (31645931).
152400685 is a wasteful number, since it uses less digits than its factorization.
152400685 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 194303.
The product of its (nonzero) digits is 9600, while the sum is 31.
The square root of 152400685 is about 12345.0672335148. The cubic root of 152400685 is about 534.1488606204.
The spelling of 152400685 in words is "one hundred fifty-two million, four hundred thousand, six hundred eighty-five".
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