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1489763980 = 22574488199
BaseRepresentation
bin101100011001011…
…1111111010001100
310211211020211222201
41120302333322030
511022334421410
6403454451244
751626533135
oct13062777214
93754224881
101489763980
116a4a29801
12356b03b24
131a984a163
14101bdac8c
158abc683a
hex58cbfe8c

1489763980 has 12 divisors (see below), whose sum is σ = 3128504400. Its totient is φ = 595905584.

The previous prime is 1489763953. The next prime is 1489764019. The reversal of 1489763980 is 893679841.

It is a super-2 number, since 2×14897639802 = 4438793432210880800, which contains 22 as substring.

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, 37244080 + ... + 37244119.

It is an arithmetic number, because the mean of its divisors is an integer number (260708700).

Almost surely, 21489763980 is an apocalyptic number.

1489763980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1489763980 is an abundant number, since it is smaller than the sum of its proper divisors (1638740420).

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

1489763980 is a wasteful number, since it uses less digits than its factorization.

1489763980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74488208 (or 74488206 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 55.

The square root of 1489763980 is about 38597.4607973115. The cubic root of 1489763980 is about 1142.1044486795.

The spelling of 1489763980 in words is "one billion, four hundred eighty-nine million, seven hundred sixty-three thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 74488199 148976398 297952796 372440995 744881990 1489763980