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425938947 = 3720282807
BaseRepresentation
bin11001011000110…
…101000000000011
31002200110221101120
4121120311000003
51333020021242
6110133203323
713361264340
oct3130650003
91080427346
10425938947
111a9482265
12ba790543
136a323ca5
14407d77c7
15275d91ec
hex19635003

425938947 has 8 divisors (see below), whose sum is σ = 649049856. Its totient is φ = 243393672.

The previous prime is 425938937. The next prime is 425938967. The reversal of 425938947 is 749839524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 425938947 - 26 = 425938883 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 425938947.

It is not an unprimeable number, because it can be changed into a prime (425938937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10141383 + ... + 10141424.

It is an arithmetic number, because the mean of its divisors is an integer number (81131232).

Almost surely, 2425938947 is an apocalyptic number.

425938947 is a deficient number, since it is larger than the sum of its proper divisors (223110909).

425938947 is a wasteful number, since it uses less digits than its factorization.

425938947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20282817.

The product of its digits is 2177280, while the sum is 51.

The square root of 425938947 is about 20638.2883737969. The cubic root of 425938947 is about 752.4005730232.

The spelling of 425938947 in words is "four hundred twenty-five million, nine hundred thirty-eight thousand, nine hundred forty-seven".

Divisors: 1 3 7 21 20282807 60848421 141979649 425938947