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472557 = 3157519
BaseRepresentation
bin1110011010111101101
3220000020010
41303113231
5110110212
614043433
74005501
oct1632755
9800203
10472557
112a3048
121a9579
13137127
14c4301
159503c
hex735ed

472557 has 4 divisors (see below), whose sum is σ = 630080. Its totient is φ = 315036.

The previous prime is 472543. The next prime is 472559. The reversal of 472557 is 755274.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 472557 - 24 = 472541 is a prime.

It is a D-number.

It is a Duffinian number.

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 472557.

It is not an unprimeable number, because it can be changed into a prime (472559) 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 3 ways as a sum of consecutive naturals, for example, 78757 + ... + 78762.

It is an arithmetic number, because the mean of its divisors is an integer number (157520).

2472557 is an apocalyptic number.

It is an amenable number.

472557 is a deficient number, since it is larger than the sum of its proper divisors (157523).

472557 is a wasteful number, since it uses less digits than its factorization.

472557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157522.

The product of its digits is 9800, while the sum is 30.

The square root of 472557 is about 687.4278143922. The cubic root of 472557 is about 77.8905433824.

The spelling of 472557 in words is "four hundred seventy-two thousand, five hundred fifty-seven".

Divisors: 1 3 157519 472557