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904027631 = 13142348869
BaseRepresentation
bin110101111000100…
…101110111101111
32100000002100202212
4311320211313233
53322412341011
6225412241035
731255052033
oct6570456757
92300070685
10904027631
11424333381
1221291017b
131153a69c0
14880c81c3
155457508b
hex35e25def

904027631 has 8 divisors (see below), whose sum is σ = 974272320. Its totient is φ = 833883552.

The previous prime is 904027609. The next prime is 904027637. The reversal of 904027631 is 136720409.

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

It is a cyclic number.

It is not a de Polignac number, because 904027631 - 226 = 836918767 is a prime.

It is a super-2 number, since 2×9040276312 = 1634531915222944322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (904027637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5936 + ... + 42933.

It is an arithmetic number, because the mean of its divisors is an integer number (121784040).

Almost surely, 2904027631 is an apocalyptic number.

904027631 is a deficient number, since it is larger than the sum of its proper divisors (70244689).

904027631 is a wasteful number, since it uses less digits than its factorization.

904027631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50305.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 904027631 is about 30067.0522499297. The cubic root of 904027631 is about 966.9274766866.

The spelling of 904027631 in words is "nine hundred four million, twenty-seven thousand, six hundred thirty-one".

Divisors: 1 13 1423 18499 48869 635297 69540587 904027631