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425075641 = 971437771
BaseRepresentation
bin11001010101100…
…010001110111001
31002121212002011021
4121111202032321
51332304410031
6110102502441
713351040404
oct3125421671
91077762137
10425075641
111a8a42691
12ba434a21
136a0b1063
1440650d3b
15274b8511
hex195623b9

425075641 has 4 divisors (see below), whose sum is σ = 425514384. Its totient is φ = 424636900.

The previous prime is 425075593. The next prime is 425075663. The reversal of 425075641 is 146570524.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 425075641 - 27 = 425075513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 425075597 and 425075606.

It is not an unprimeable number, because it can be changed into a prime (425075041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217915 + ... + 219856.

It is an arithmetic number, because the mean of its divisors is an integer number (106378596).

Almost surely, 2425075641 is an apocalyptic number.

It is an amenable number.

425075641 is a deficient number, since it is larger than the sum of its proper divisors (438743).

425075641 is an equidigital number, since it uses as much as digits as its factorization.

425075641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438742.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 425075641 is about 20617.3626101885. The cubic root of 425075641 is about 751.8918997557.

The spelling of 425075641 in words is "four hundred twenty-five million, seventy-five thousand, six hundred forty-one".

Divisors: 1 971 437771 425075641