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489044590 = 25431137313
BaseRepresentation
bin11101001001100…
…011101001101110
31021002020001001121
4131021203221232
52000143411330
6120305531154
715055544656
oct3511435156
91232201047
10489044590
11231064491
12117943aba
137a41a6c8
1448d43366
152ce0217a
hex1d263a6e

489044590 has 16 divisors (see below), whose sum is σ = 900752688. Its totient is φ = 191068416.

The previous prime is 489044579. The next prime is 489044639. The reversal of 489044590 is 95440984.

It is a super-2 number, since 2×4890445902 = 478329222016536200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

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, 568227 + ... + 569086.

It is an arithmetic number, because the mean of its divisors is an integer number (56297043).

Almost surely, 2489044590 is an apocalyptic number.

489044590 is a deficient number, since it is larger than the sum of its proper divisors (411708098).

489044590 is a wasteful number, since it uses less digits than its factorization.

489044590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137363.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 489044590 is about 22114.3525792640. The cubic root of 489044590 is about 787.8607884064.

The spelling of 489044590 in words is "four hundred eighty-nine million, forty-four thousand, five hundred ninety".

Divisors: 1 2 5 10 43 86 215 430 1137313 2274626 5686565 11373130 48904459 97808918 244522295 489044590