Base | Representation |
---|---|
bin | 10010001101011… |
… | …00011111001111 |
3 | 101122102111122120 |
4 | 21012230133033 |
5 | 303101000111 |
6 | 23053544023 |
7 | 3533232240 |
oct | 1106543717 |
9 | 348374576 |
10 | 152750031 |
11 | 792503a5 |
12 | 431a5013 |
13 | 25852845 |
14 | 16402cc7 |
15 | d624406 |
hex | 91ac7cf |
152750031 has 8 divisors (see below), whose sum is σ = 232761984. Its totient is φ = 87285720.
The previous prime is 152750027. The next prime is 152750053. The reversal of 152750031 is 130057251.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 152750031 - 22 = 152750027 is a prime.
It is a super-2 number, since 2×1527500312 = 46665143941001922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 152749983 and 152750010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (152750021) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3636885 + ... + 3636926.
It is an arithmetic number, because the mean of its divisors is an integer number (29095248).
Almost surely, 2152750031 is an apocalyptic number.
152750031 is a deficient number, since it is larger than the sum of its proper divisors (80011953).
152750031 is an equidigital number, since it uses as much as digits as its factorization.
152750031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7273821.
The product of its (nonzero) digits is 1050, while the sum is 24.
The square root of 152750031 is about 12359.2083484340. The cubic root of 152750031 is about 534.5566898609.
Subtracting from 152750031 its product of nonzero digits (1050), we obtain a triangular number (152748981 = T17478).
The spelling of 152750031 in words is "one hundred fifty-two million, seven hundred fifty thousand, thirty-one".
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