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1490062863 = 3496687621
BaseRepresentation
bin101100011010000…
…1000111000001111
310211211211000222110
41120310020320033
511022424002423
6403505115103
751632216412
oct13064107017
93754730873
101490062863
116a5113313
12357028a93
131a9923203
14101c77b79
158ac35193
hex58d08e0f

1490062863 has 4 divisors (see below), whose sum is σ = 1986750488. Its totient is φ = 993375240.

The previous prime is 1490062837. The next prime is 1490062867. The reversal of 1490062863 is 3682600941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3682600941 = 31227533647.

It is not a de Polignac number, because 1490062863 - 212 = 1490058767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490062867) 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, 248343808 + ... + 248343813.

It is an arithmetic number, because the mean of its divisors is an integer number (496687622).

Almost surely, 21490062863 is an apocalyptic number.

1490062863 is a deficient number, since it is larger than the sum of its proper divisors (496687625).

1490062863 is an equidigital number, since it uses as much as digits as its factorization.

1490062863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496687624.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 1490062863 is about 38601.3323992838. The cubic root of 1490062863 is about 1142.1808215777.

The spelling of 1490062863 in words is "one billion, four hundred ninety million, sixty-two thousand, eight hundred sixty-three".

Divisors: 1 3 496687621 1490062863