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479540 = 22523977
BaseRepresentation
bin1110101000100110100
3220100210202
41311010310
5110321130
614140032
74035035
oct1650464
9810722
10479540
112a8316
121b1618
1313a369
14c6a8c
1597145
hex75134

479540 has 12 divisors (see below), whose sum is σ = 1007076. Its totient is φ = 191808.

The previous prime is 479533. The next prime is 479543. The reversal of 479540 is 45974.

It can be written as a sum of positive squares in 2 ways, for example, as 190096 + 289444 = 436^2 + 538^2 .

It is a super-2 number, since 2×4795402 = 459917223200, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 479540.

It is not an unprimeable number, because it can be changed into a prime (479543) 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, 11969 + ... + 12008.

It is an arithmetic number, because the mean of its divisors is an integer number (83923).

2479540 is an apocalyptic number.

It is an amenable number.

479540 is an abundant number, since it is smaller than the sum of its proper divisors (527536).

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

479540 is a wasteful number, since it uses less digits than its factorization.

479540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23986 (or 23984 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 479540 is about 692.4882670486. The cubic root of 479540 is about 78.2723331749.

The spelling of 479540 in words is "four hundred seventy-nine thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 23977 47954 95908 119885 239770 479540