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331355425 = 5228874591
BaseRepresentation
bin10011110000000…
…001010100100001
3212002111121012011
4103300001110201
51134311333200
652514032521
711132321542
oct2360012441
9762447164
10331355425
11160050265
1292b78741
13538589cb
14320164c9
151e1545ba
hex13c01521

331355425 has 12 divisors (see below), whose sum is σ = 411112576. Its totient is φ = 264934800.

The previous prime is 331355407. The next prime is 331355471. The reversal of 331355425 is 524553133.

It is not a de Polignac number, because 331355425 - 211 = 331353377 is a prime.

It is a Duffinian 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, 69880 + ... + 74470.

Almost surely, 2331355425 is an apocalyptic number.

It is an amenable number.

331355425 is a deficient number, since it is larger than the sum of its proper divisors (79757151).

331355425 is a wasteful number, since it uses less digits than its factorization.

331355425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7488 (or 7483 counting only the distinct ones).

The product of its digits is 27000, while the sum is 31.

The square root of 331355425 is about 18203.1707402859. The cubic root of 331355425 is about 691.9871478173.

The spelling of 331355425 in words is "three hundred thirty-one million, three hundred fifty-five thousand, four hundred twenty-five".

Divisors: 1 5 25 2887 4591 14435 22955 72175 114775 13254217 66271085 331355425