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489000863 = 1337615451
BaseRepresentation
bin11101001001011…
…000111110011111
31021002010211002002
4131021120332133
52000141011423
6120304552515
715055303331
oct3511307637
91232124062
10489000863
1123103464a
1211792273b
137a403830
1448d31451
152cde4228
hex1d258f9f

489000863 has 4 divisors (see below), whose sum is σ = 526616328. Its totient is φ = 451385400.

The previous prime is 489000847. The next prime is 489000877. The reversal of 489000863 is 368000984.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 489000863 - 24 = 489000847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489000823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18807713 + ... + 18807738.

It is an arithmetic number, because the mean of its divisors is an integer number (131654082).

Almost surely, 2489000863 is an apocalyptic number.

489000863 is a deficient number, since it is larger than the sum of its proper divisors (37615465).

489000863 is a wasteful number, since it uses less digits than its factorization.

489000863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37615464.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 489000863 is about 22113.3639005919. The cubic root of 489000863 is about 787.8373060108.

The spelling of 489000863 in words is "four hundred eighty-nine million, eight hundred sixty-three", and thus it is an aban number.

Divisors: 1 13 37615451 489000863