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890070431 is a prime number
BaseRepresentation
bin110101000011010…
…110010110011111
32022000211021002112
4311003112112133
53310324223211
6224153144235
731025321345
oct6503262637
92260737075
10890070431
114174700a8
1220a0bb07b
1311252abc3
14862d3995
155321988b
hex350d659f

890070431 has 2 divisors, whose sum is σ = 890070432. Its totient is φ = 890070430.

The previous prime is 890070403. The next prime is 890070439. The reversal of 890070431 is 134070098.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 890070431 - 26 = 890070367 is a prime.

It is a super-2 number, since 2×8900704312 = 1584450744281051522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (890070439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 445035215 + 445035216.

It is an arithmetic number, because the mean of its divisors is an integer number (445035216).

Almost surely, 2890070431 is an apocalyptic number.

890070431 is a deficient number, since it is larger than the sum of its proper divisors (1).

890070431 is an equidigital number, since it uses as much as digits as its factorization.

890070431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 890070431 is about 29834.0481832419. The cubic root of 890070431 is about 961.9255445680.

The spelling of 890070431 in words is "eight hundred ninety million, seventy thousand, four hundred thirty-one".