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425303931 = 31335330893
BaseRepresentation
bin11001010110011…
…001111101111011
31002122021200022110
4121112121331323
51332334211211
6110111423403
713353011103
oct3126317573
91078250273
10425303931
111a9089158
12ba524b63
136a160c40
14406b0203
1527510ea6
hex19599f7b

425303931 has 16 divisors (see below), whose sum is σ = 612442656. Its totient is φ = 260975616.

The previous prime is 425303917. The next prime is 425303933. The reversal of 425303931 is 139303524.

It is not a de Polignac number, because 425303931 - 26 = 425303867 is a prime.

It is a super-2 number, since 2×4253039312 = 361766867448105522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (425303933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1680 + ... + 29213.

It is an arithmetic number, because the mean of its divisors is an integer number (38277666).

Almost surely, 2425303931 is an apocalyptic number.

425303931 is a deficient number, since it is larger than the sum of its proper divisors (187138725).

425303931 is a wasteful number, since it uses less digits than its factorization.

425303931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31262.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 425303931 is about 20622.8982201823. The cubic root of 425303931 is about 752.0264786917.

The spelling of 425303931 in words is "four hundred twenty-five million, three hundred three thousand, nine hundred thirty-one".

Divisors: 1 3 13 39 353 1059 4589 13767 30893 92679 401609 1204827 10905229 32715687 141767977 425303931