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801066925 = 52317101081
BaseRepresentation
bin101111101111110…
…100111110101101
32001211100102020101
4233233310332231
53120033120200
6211253351101
725564646041
oct5757647655
92054312211
10801066925
113811aa48a
121a4338491
13c9c676c9
1478566021
154a4d826a
hex2fbf4fad

801066925 has 12 divisors (see below), whose sum is σ = 996466356. Its totient is φ = 638825600.

The previous prime is 801066859. The next prime is 801066989. The reversal of 801066925 is 529660108.

It can be written as a sum of positive squares in 6 ways, for example, as 14040009 + 787026916 = 3747^2 + 28054^2 .

It is not a de Polignac number, because 801066925 - 211 = 801064877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42616 + ... + 58465.

It is an arithmetic number, because the mean of its divisors is an integer number (83038863).

Almost surely, 2801066925 is an apocalyptic number.

It is an amenable number.

801066925 is a deficient number, since it is larger than the sum of its proper divisors (195399431).

801066925 is a wasteful number, since it uses less digits than its factorization.

801066925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101408 (or 101403 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 801066925 is about 28303.1257107762. The cubic root of 801066925 is about 928.7302689953.

The spelling of 801066925 in words is "eight hundred one million, sixty-six thousand, nine hundred twenty-five".

Divisors: 1 5 25 317 1585 7925 101081 505405 2527025 32042677 160213385 801066925