Base | Representation |
---|---|
bin | 1110111100111… |
… | …01000010111111 |
3 | 22202000012010012 |
4 | 13132131002333 |
5 | 224102030212 |
6 | 20240133435 |
7 | 3052041035 |
oct | 736350277 |
9 | 282005105 |
10 | 125423807 |
11 | 64886843 |
12 | 3600727b |
13 | 1cca5892 |
14 | 1292c555 |
15 | b027922 |
hex | 779d0bf |
125423807 has 16 divisors (see below), whose sum is σ = 145877760. Its totient is φ = 106964352.
The previous prime is 125423783. The next prime is 125423827. The reversal of 125423807 is 708324521.
It is not a de Polignac number, because 125423807 - 26 = 125423743 is a prime.
It is a super-3 number, since 3×1254238073 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (125423827) 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, 1013 + ... + 15870.
It is an arithmetic number, because the mean of its divisors is an integer number (9117360).
Almost surely, 2125423807 is an apocalyptic number.
125423807 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
125423807 is a deficient number, since it is larger than the sum of its proper divisors (20453953).
125423807 is a wasteful number, since it uses less digits than its factorization.
125423807 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16942.
The product of its (nonzero) digits is 13440, while the sum is 32.
The square root of 125423807 is about 11199.2770748830. The cubic root of 125423807 is about 500.5644385784.
The spelling of 125423807 in words is "one hundred twenty-five million, four hundred twenty-three thousand, eight hundred seven".
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