Base | Representation |
---|---|
bin | 1110111100111… |
… | …11101010100010 |
3 | 22202000201211100 |
4 | 13132133222202 |
5 | 224102401110 |
6 | 20240255230 |
7 | 3052114224 |
oct | 736375242 |
9 | 282021740 |
10 | 125434530 |
11 | 64893901 |
12 | 36011516 |
13 | 1ccaa720 |
14 | 12932414 |
15 | b02abc0 |
hex | 779faa2 |
125434530 has 48 divisors (see below), whose sum is σ = 351219960. Its totient is φ = 30875904.
The previous prime is 125434501. The next prime is 125434559. The reversal of 125434530 is 35434521.
125434530 is a `hidden beast` number, since 125 + 4 + 3 + 4 + 530 = 666.
It is an interprime number because it is at equal distance from previous prime (125434501) and next prime (125434559).
It can be written as a sum of positive squares in 4 ways, for example, as 32524209 + 92910321 = 5703^2 + 9639^2 .
It is a junction number, because it is equal to n+sod(n) for n = 125434494 and 125434503.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52435 + ... + 54774.
Almost surely, 2125434530 is an apocalyptic number.
125434530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
125434530 is an abundant number, since it is smaller than the sum of its proper divisors (225785430).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
125434530 is a wasteful number, since it uses less digits than its factorization.
125434530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 107235 (or 107232 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 27.
The square root of 125434530 is about 11199.7558009092. The cubic root of 125434530 is about 500.5787032800.
Subtracting from 125434530 its reverse (35434521), we obtain a palindrome (90000009).
The spelling of 125434530 in words is "one hundred twenty-five million, four hundred thirty-four thousand, five hundred thirty".
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