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425772807 = 3191743059
BaseRepresentation
bin11001011000001…
…100011100000111
31002200011111111020
4121120030130013
51332444212212
6110125442223
713360003065
oct3130143407
91080144436
10425772807
111a9379459
12ba710373
136a296495
1440793035
15275a4d8c
hex1960c707

425772807 has 8 divisors (see below), whose sum is σ = 570670080. Its totient is φ = 282362040.

The previous prime is 425772793. The next prime is 425772811. The reversal of 425772807 is 708277524.

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

It is not a de Polignac number, because 425772807 - 28 = 425772551 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425771807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370957 + ... + 372102.

It is an arithmetic number, because the mean of its divisors is an integer number (71333760).

Almost surely, 2425772807 is an apocalyptic number.

425772807 is a deficient number, since it is larger than the sum of its proper divisors (144897273).

425772807 is a wasteful number, since it uses less digits than its factorization.

425772807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743253.

The product of its (nonzero) digits is 219520, while the sum is 42.

The square root of 425772807 is about 20634.2629381328. The cubic root of 425772807 is about 752.3027342066.

The spelling of 425772807 in words is "four hundred twenty-five million, seven hundred seventy-two thousand, eight hundred seven".

Divisors: 1 3 191 573 743059 2229177 141924269 425772807