Base | Representation |
---|---|
bin | 10001100001110… |
… | …00010111100101 |
3 | 101020122222100001 |
4 | 20300320113211 |
5 | 300120002100 |
6 | 22331221301 |
7 | 3433514224 |
oct | 1060702745 |
9 | 336588301 |
10 | 147031525 |
11 | 75aa4a63 |
12 | 412a7831 |
13 | 245cca04 |
14 | 15754cbb |
15 | cd94d6a |
hex | 8c385e5 |
147031525 has 24 divisors (see below), whose sum is σ = 195416064. Its totient is φ = 109454400.
The previous prime is 147031523. The next prime is 147031553. The reversal of 147031525 is 525130741.
It is a happy number.
It is not a de Polignac number, because 147031525 - 21 = 147031523 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 147031493 and 147031502.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (147031523) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17820 + ... + 24730.
It is an arithmetic number, because the mean of its divisors is an integer number (8142336).
Almost surely, 2147031525 is an apocalyptic number.
It is an amenable number.
147031525 is a deficient number, since it is larger than the sum of its proper divisors (48384539).
147031525 is a wasteful number, since it uses less digits than its factorization.
147031525 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6981 (or 6976 counting only the distinct ones).
The product of its (nonzero) digits is 4200, while the sum is 28.
The square root of 147031525 is about 12125.6556523761. The cubic root of 147031525 is about 527.8009333844.
The spelling of 147031525 in words is "one hundred forty-seven million, thirty-one thousand, five hundred twenty-five".
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