Base | Representation |
---|---|
bin | 1110111101001… |
… | …01001111100100 |
3 | 22202001220011122 |
4 | 13132211033210 |
5 | 224104114010 |
6 | 20240553112 |
7 | 3052240646 |
oct | 736451744 |
9 | 282056148 |
10 | 125457380 |
11 | 648a9a94 |
12 | 36022798 |
13 | 1ccb7c49 |
14 | 1293a896 |
15 | b032855 |
hex | 77a53e4 |
125457380 has 48 divisors (see below), whose sum is σ = 284854080. Its totient is φ = 46251648.
The previous prime is 125457329. The next prime is 125457389. The reversal of 125457380 is 83754521.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 125457380.
It is not an unprimeable number, because it can be changed into a prime (125457389) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9599 + ... + 18521.
It is an arithmetic number, because the mean of its divisors is an integer number (5934460).
Almost surely, 2125457380 is an apocalyptic number.
125457380 is a gapful number since it is divisible by the number (10) 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 125457380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142427040).
125457380 is an abundant number, since it is smaller than the sum of its proper divisors (159396700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
125457380 is a wasteful number, since it uses less digits than its factorization.
125457380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8988 (or 8986 counting only the distinct ones).
The product of its (nonzero) digits is 33600, while the sum is 35.
The square root of 125457380 is about 11200.7758659836. The cubic root of 125457380 is about 500.6090976987.
The spelling of 125457380 in words is "one hundred twenty-five million, four hundred fifty-seven thousand, three hundred eighty".
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