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489934956 = 223747124097
BaseRepresentation
bin11101001100111…
…101000001101100
31021010220021102010
4131030331001230
52000410404311
6120341001220
715066243540
oct3514750154
91233807363
10489934956
11231612425
121180b3210
137a66ca54
14490d5a20
152d02ada6
hex1d33d06c

489934956 has 48 divisors (see below), whose sum is σ = 1334301696. Its totient is φ = 137001984.

The previous prime is 489934933. The next prime is 489934957. The reversal of 489934956 is 659439984.

It is a happy number.

It is a super-2 number, since 2×4899349562 = 480072522221443872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 489934896 and 489934905.

It is not an unprimeable number, because it can be changed into a prime (489934957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58101 + ... + 65996.

It is an arithmetic number, because the mean of its divisors is an integer number (27797952).

Almost surely, 2489934956 is an apocalyptic number.

It is an amenable number.

489934956 is an abundant number, since it is smaller than the sum of its proper divisors (844366740).

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

489934956 is a wasteful number, since it uses less digits than its factorization.

489934956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124158 (or 124156 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 57.

The square root of 489934956 is about 22134.4743782182. The cubic root of 489934956 is about 788.3386311159.

The spelling of 489934956 in words is "four hundred eighty-nine million, nine hundred thirty-four thousand, nine hundred fifty-six".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 47 84 94 141 188 282 329 564 658 987 1316 1974 3948 124097 248194 372291 496388 744582 868679 1489164 1737358 2606037 3474716 5212074 5832559 10424148 11665118 17497677 23330236 34995354 40827913 69990708 81655826 122483739 163311652 244967478 489934956