Base | Representation |
---|---|
bin | 1110111100111… |
… | …11100010100100 |
3 | 22202000201010110 |
4 | 13132133202210 |
5 | 224102342040 |
6 | 20240253020 |
7 | 3052112565 |
oct | 736374244 |
9 | 282021113 |
10 | 125434020 |
11 | 64893488 |
12 | 36011170 |
13 | 1ccaa41a |
14 | 1293216c |
15 | b02a980 |
hex | 779f8a4 |
125434020 has 24 divisors (see below), whose sum is σ = 351215424. Its totient is φ = 33449056.
The previous prime is 125434013. The next prime is 125434027. The reversal of 125434020 is 20434521.
It is an interprime number because it is at equal distance from previous prime (125434013) and next prime (125434027).
It is not an unprimeable number, because it can be changed into a prime (125434027) 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, 1045224 + ... + 1045343.
It is an arithmetic number, because the mean of its divisors is an integer number (14633976).
Almost surely, 2125434020 is an apocalyptic number.
125434020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
125434020 is an abundant number, since it is smaller than the sum of its proper divisors (225781404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
125434020 is a wasteful number, since it uses less digits than its factorization.
125434020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2090579 (or 2090577 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 21.
The square root of 125434020 is about 11199.7330325325. The cubic root of 125434020 is about 500.5780248504.
Adding to 125434020 its reverse (20434521), we get a palindrome (145868541).
The spelling of 125434020 in words is "one hundred twenty-five million, four hundred thirty-four thousand, twenty".
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