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1490490516 = 223124207543
BaseRepresentation
bin101100011010111…
…0001010010010100
310211212121202121110
41120311301102110
511023031144031
6403522215020
751635650254
oct13065612224
93755552543
101490490516
116a5385649
123571b4470
131a9a42a68
14101d49964
158acbbc46
hex58d71494

1490490516 has 12 divisors (see below), whose sum is σ = 3477811232. Its totient is φ = 496830168.

The previous prime is 1490490503. The next prime is 1490490517. The reversal of 1490490516 is 6150940941.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490490517) 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, 62103760 + ... + 62103783.

Almost surely, 21490490516 is an apocalyptic number.

It is an amenable number.

1490490516 is an abundant number, since it is smaller than the sum of its proper divisors (1987320716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1490490516 is a wasteful number, since it uses less digits than its factorization.

1490490516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124207550 (or 124207548 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 1490490516 is about 38606.8713573115. The cubic root of 1490490516 is about 1142.2900810246.

The spelling of 1490490516 in words is "one billion, four hundred ninety million, four hundred ninety thousand, five hundred sixteen".

Divisors: 1 2 3 4 6 12 124207543 248415086 372622629 496830172 745245258 1490490516