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479512990 = 25114359209
BaseRepresentation
bin11100100101001…
…100100110011110
31020102021210011101
4130211030212132
51440223403430
6115325343314
714611536025
oct3445144636
91212253141
10479512990
11226744230
12114707b3a
13784610c8
14479818bc
152c16cdca
hex1c94c99e

479512990 has 16 divisors (see below), whose sum is σ = 941589360. Its totient is φ = 174368320.

The previous prime is 479512981. The next prime is 479512997. The reversal of 479512990 is 99215974.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 479512990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479512997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2179495 + ... + 2179714.

It is an arithmetic number, because the mean of its divisors is an integer number (58849335).

Almost surely, 2479512990 is an apocalyptic number.

479512990 is a deficient number, since it is larger than the sum of its proper divisors (462076370).

479512990 is a wasteful number, since it uses less digits than its factorization.

479512990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4359227.

The product of its (nonzero) digits is 204120, while the sum is 46.

The square root of 479512990 is about 21897.7850478079. The cubic root of 479512990 is about 782.7086358919.

The spelling of 479512990 in words is "four hundred seventy-nine million, five hundred twelve thousand, nine hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 4359209 8718418 21796045 43592090 47951299 95902598 239756495 479512990