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1490939480 = 23537273487
BaseRepresentation
bin101100011011101…
…1110111001011000
310211220110120110202
41120313132321120
511023140030410
6403540001332
751642530222
oct13067367130
93756416422
101490939480
116a5661998
12357390248
131a9b6c214
14102025412
158ad59ca5
hex58ddee58

1490939480 has 16 divisors (see below), whose sum is σ = 3354613920. Its totient is φ = 596375776.

The previous prime is 1490939453. The next prime is 1490939521. The reversal of 1490939480 is 849390941.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18636704 + ... + 18636783.

It is an arithmetic number, because the mean of its divisors is an integer number (209663370).

Almost surely, 21490939480 is an apocalyptic number.

1490939480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1490939480 is an abundant number, since it is smaller than the sum of its proper divisors (1863674440).

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

1490939480 is a wasteful number, since it uses less digits than its factorization.

1490939480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37273498 (or 37273494 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 1490939480 is about 38612.6854802926. The cubic root of 1490939480 is about 1142.4047626532.

The spelling of 1490939480 in words is "one billion, four hundred ninety million, nine hundred thirty-nine thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 37273487 74546974 149093948 186367435 298187896 372734870 745469740 1490939480