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489696090 = 23513296587
BaseRepresentation
bin11101001100000…
…010101101011010
31021010110010202020
4131030002231122
52000330233330
6120331515310
715064230252
oct3514025532
91233403666
10489696090
11231469a14
12117bb8b36
137a5b8100
1449072962
152ced0210
hex1d302b5a

489696090 has 48 divisors (see below), whose sum is σ = 1272643488. Its totient is φ = 120539328.

The previous prime is 489696089. The next prime is 489696107. The reversal of 489696090 is 90696984.

It is a super-2 number, since 2×4896960902 = 479604521122576200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43224 + ... + 53363.

It is an arithmetic number, because the mean of its divisors is an integer number (26513406).

Almost surely, 2489696090 is an apocalyptic number.

489696090 is an abundant number, since it is smaller than the sum of its proper divisors (782947398).

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

489696090 is a wasteful number, since it uses less digits than its factorization.

489696090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96623 (or 96610 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 51.

The square root of 489696090 is about 22129.0779292767. The cubic root of 489696090 is about 788.2104930816.

The spelling of 489696090 in words is "four hundred eighty-nine million, six hundred ninety-six thousand, ninety".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 169 195 338 390 507 845 1014 1690 2535 5070 96587 193174 289761 482935 579522 965870 1255631 1448805 2511262 2897610 3766893 6278155 7533786 12556310 16323203 18834465 32646406 37668930 48969609 81616015 97939218 163232030 244848045 489696090