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489117464 = 23119775689
BaseRepresentation
bin11101001001110…
…101011100011000
31021002100202000122
4131021311130120
52000203224324
6120311252412
715056300303
oct3511653430
91232322018
10489117464
11231104210
1211797a108
137a444924
1448d61b3a
152ce18a5e
hex1d275718

489117464 has 32 divisors (see below), whose sum is σ = 1001667600. Its totient is φ = 222059520.

The previous prime is 489117457. The next prime is 489117479. The reversal of 489117464 is 464711984.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83132 + ... + 88820.

Almost surely, 2489117464 is an apocalyptic number.

489117464 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

489117464 is an abundant number, since it is smaller than the sum of its proper divisors (512550136).

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

489117464 is a wasteful number, since it uses less digits than its factorization.

489117464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6683 (or 6679 counting only the distinct ones).

The product of its digits is 193536, while the sum is 44.

The square root of 489117464 is about 22116.0001808645. Note that the first 3 decimals coincide. The cubic root of 489117464 is about 787.8999202952.

The spelling of 489117464 in words is "four hundred eighty-nine million, one hundred seventeen thousand, four hundred sixty-four".

Divisors: 1 2 4 8 11 22 44 88 977 1954 3908 5689 7816 10747 11378 21494 22756 42988 45512 62579 85976 125158 250316 500632 5558153 11116306 22232612 44465224 61139683 122279366 244558732 489117464