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1490952492 = 223241415347
BaseRepresentation
bin101100011011110…
…0010000100101100
310211220111020022200
41120313202010230
511023140434432
6403540141500
751642613161
oct13067420454
93756436280
101490952492
116a5670747
12357397890
131a9b75113
1410202a068
158ad5da7c
hex58de212c

1490952492 has 18 divisors (see below), whose sum is σ = 3768796668. Its totient is φ = 496984152.

The previous prime is 1490952469. The next prime is 1490952499. The reversal of 1490952492 is 2942590941.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (1490952499) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20707638 + ... + 20707709.

Almost surely, 21490952492 is an apocalyptic number.

1490952492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1490952492 is an abundant number, since it is smaller than the sum of its proper divisors (2277844176).

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

1490952492 is a wasteful number, since it uses less digits than its factorization.

1490952492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41415357 (or 41415352 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 1490952492 is about 38612.8539737741. The cubic root of 1490952492 is about 1142.4080860449.

The spelling of 1490952492 in words is "one billion, four hundred ninety million, nine hundred fifty-two thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 18 36 41415347 82830694 124246041 165661388 248492082 372738123 496984164 745476246 1490952492