Base | Representation |
---|---|
bin | 1110111100100… |
… | …01111101010001 |
3 | 22201220212210220 |
4 | 13132101331101 |
5 | 224044102020 |
6 | 20235143253 |
7 | 3051461436 |
oct | 736217521 |
9 | 281825726 |
10 | 125378385 |
11 | 64855700 |
12 | 35ba4b29 |
13 | 1cc8acc2 |
14 | 12919b8d |
15 | b019240 |
hex | 7791f51 |
125378385 has 48 divisors (see below), whose sum is σ = 226580928. Its totient is φ = 59114880.
The previous prime is 125378381. The next prime is 125378399. The reversal of 125378385 is 583873521.
It is not a de Polignac number, because 125378385 - 22 = 125378381 is a prime.
It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (125378381) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 66222 + ... + 68088.
It is an arithmetic number, because the mean of its divisors is an integer number (4720436).
Almost surely, 2125378385 is an apocalyptic number.
125378385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
125378385 is a deficient number, since it is larger than the sum of its proper divisors (101202543).
125378385 is a wasteful number, since it uses less digits than its factorization.
125378385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1934 (or 1923 counting only the distinct ones).
The product of its digits is 201600, while the sum is 42.
The square root of 125378385 is about 11197.2489924981. The cubic root of 125378385 is about 500.5040051203.
The spelling of 125378385 in words is "one hundred twenty-five million, three hundred seventy-eight thousand, three hundred eighty-five".
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