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479997 = 32719401
BaseRepresentation
bin1110101001011111101
3220101102200
41311023331
5110324442
614142113
74036260
oct1651375
9811380
10479997
112a86a1
121b1939
1313a62b
14c6cd7
159734c
hex752fd

479997 has 24 divisors (see below), whose sum is σ = 836160. Its totient is φ = 259200.

The previous prime is 479971. The next prime is 480013. The reversal of 479997 is 799974.

It is not a de Polignac number, because 479997 - 214 = 463613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 997 + ... + 1397.

It is an arithmetic number, because the mean of its divisors is an integer number (34840).

2479997 is an apocalyptic number.

It is an amenable number.

479997 is a deficient number, since it is larger than the sum of its proper divisors (356163).

479997 is a wasteful number, since it uses less digits than its factorization.

479997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433 (or 430 counting only the distinct ones).

The product of its digits is 142884, while the sum is 45.

The square root of 479997 is about 692.8181579607. The cubic root of 479997 is about 78.2971897036.

The spelling of 479997 in words is "four hundred seventy-nine thousand, nine hundred ninety-seven".

Divisors: 1 3 7 9 19 21 57 63 133 171 399 401 1197 1203 2807 3609 7619 8421 22857 25263 53333 68571 159999 479997