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925612801 = 1278172421
BaseRepresentation
bin110111001010111…
…011101100000001
32101111201000001121
4313022323230001
53343424102201
6231503032241
731636402411
oct6712735401
92344630047
10925612801
11435536663
12219b9b681
131199c37a9
148ad06641
15563da9a1
hex372bbb01

925612801 has 4 divisors (see below), whose sum is σ = 925698004. Its totient is φ = 925527600.

The previous prime is 925612789. The next prime is 925612813. The reversal of 925612801 is 108216529.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 108216529 = 190756747.

It is an interprime number because it is at equal distance from previous prime (925612789) and next prime (925612813).

It can be written as a sum of positive squares in 2 ways, for example, as 635796225 + 289816576 = 25215^2 + 17024^2 .

It is a cyclic number.

It is not a de Polignac number, because 925612801 - 27 = 925612673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (925612861) 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, 23430 + ... + 48991.

It is an arithmetic number, because the mean of its divisors is an integer number (231424501).

Almost surely, 2925612801 is an apocalyptic number.

It is an amenable number.

925612801 is a deficient number, since it is larger than the sum of its proper divisors (85203).

925612801 is a wasteful number, since it uses less digits than its factorization.

925612801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85202.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 925612801 is about 30423.8853698866. The cubic root of 925612801 is about 974.5626970764.

The spelling of 925612801 in words is "nine hundred twenty-five million, six hundred twelve thousand, eight hundred one".

Divisors: 1 12781 72421 925612801