Base | Representation |
---|---|
bin | 1110111001100… |
… | …00011011010000 |
3 | 22201011120211000 |
4 | 13130300123100 |
5 | 223443311041 |
6 | 20222422000 |
7 | 3045205650 |
oct | 734603320 |
9 | 281146730 |
10 | 124978896 |
11 | 64602549 |
12 | 35a31900 |
13 | 1cb7b213 |
14 | 12854360 |
15 | ae8abb6 |
hex | 77306d0 |
124978896 has 160 divisors (see below), whose sum is σ = 421441280. Its totient is φ = 34712064.
The previous prime is 124978891. The next prime is 124978897. The reversal of 124978896 is 698879421.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (124978891) 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 31 ways as a sum of consecutive naturals, for example, 111330 + ... + 112446.
It is an arithmetic number, because the mean of its divisors is an integer number (2634008).
Almost surely, 2124978896 is an apocalyptic number.
124978896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 124978896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210720640).
124978896 is an abundant number, since it is smaller than the sum of its proper divisors (296462384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
124978896 is a wasteful number, since it uses less digits than its factorization.
124978896 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1178 (or 1166 counting only the distinct ones).
The product of its digits is 1741824, while the sum is 54.
The square root of 124978896 is about 11179.3960480877. The cubic root of 124978896 is about 499.9718597496.
The spelling of 124978896 in words is "one hundred twenty-four million, nine hundred seventy-eight thousand, eight hundred ninety-six".
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