Base | Representation |
---|---|
bin | 1110111011100… |
… | …01111110110000 |
3 | 22201200020010220 |
4 | 13131301332300 |
5 | 224030404113 |
6 | 20232253040 |
7 | 3050404536 |
oct | 735617660 |
9 | 281606126 |
10 | 125247408 |
11 | 64776260 |
12 | 35b41180 |
13 | 1cc434c0 |
14 | 128c4156 |
15 | aee0523 |
hex | 7771fb0 |
125247408 has 160 divisors (see below), whose sum is σ = 386975232. Its totient is φ = 34406400.
The previous prime is 125247391. The next prime is 125247413. The reversal of 125247408 is 804742521.
It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (33).
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 31 ways as a sum of consecutive naturals, for example, 487216 + ... + 487472.
Almost surely, 2125247408 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 125247408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193487616).
125247408 is an abundant number, since it is smaller than the sum of its proper divisors (261727824).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
125247408 is a wasteful number, since it uses less digits than its factorization.
125247408 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 363 (or 357 counting only the distinct ones).
The product of its (nonzero) digits is 17920, while the sum is 33.
The square root of 125247408 is about 11191.3988401808. The cubic root of 125247408 is about 500.3296599342.
Adding to 125247408 its reverse (804742521), we get a palindrome (929989929).
The spelling of 125247408 in words is "one hundred twenty-five million, two hundred forty-seven thousand, four hundred eight".
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