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1489160738 = 213220992
BaseRepresentation
bin101100011000010…
…1100101000100010
310211210010012111102
41120300230220202
511022211120423
6403433514402
751621441332
oct13060545042
93753105442
101489160738
116a465755a
12356872a02
131a9698700
14101ac10c2
158ab07c28
hex58c2ca22

1489160738 has 18 divisors (see below), whose sum is σ = 2419937649. Its totient is φ = 686977512.

The previous prime is 1489160711. The next prime is 1489160753. The reversal of 1489160738 is 8370619841.

It can be written as a sum of positive squares in 2 ways, for example, as 1273276489 + 215884249 = 35683^2 + 14693^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=27287.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1489160692 and 1489160701.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 708413 + ... + 710511.

Almost surely, 21489160738 is an apocalyptic number.

1489160738 is a deficient number, since it is larger than the sum of its proper divisors (930776911).

1489160738 is an frugal number, since it uses more digits than its factorization.

1489160738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4226 (or 2114 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 1489160738 is about 38589.6454764746. The cubic root of 1489160738 is about 1141.9502724934.

The spelling of 1489160738 in words is "one billion, four hundred eighty-nine million, one hundred sixty thousand, seven hundred thirty-eight".

Divisors: 1 2 13 26 169 338 2099 4198 27287 54574 354731 709462 4405801 8811602 57275413 114550826 744580369 1489160738