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479980 = 225103233
BaseRepresentation
bin1110101001011101100
3220101102001
41311023230
5110324410
614142044
74036234
oct1651354
9811361
10479980
112a8686
121b1924
1313a617
14c6cc4
159733a
hex752ec

479980 has 24 divisors (see below), whose sum is σ = 1022112. Its totient is φ = 189312.

The previous prime is 479971. The next prime is 480013. The reversal of 479980 is 89974.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1944 + ... + 2176.

It is an arithmetic number, because the mean of its divisors is an integer number (42588).

2479980 is an apocalyptic number.

It is an amenable number.

479980 is an abundant number, since it is smaller than the sum of its proper divisors (542132).

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

479980 is a wasteful number, since it uses less digits than its factorization.

479980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 479980 is about 692.8058891205. The cubic root of 479980 is about 78.2962653450.

The spelling of 479980 in words is "four hundred seventy-nine thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 103 206 233 412 466 515 932 1030 1165 2060 2330 4660 23999 47998 95996 119995 239990 479980