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470561 = 7135171
BaseRepresentation
bin1110010111000100001
3212220111012
41302320201
5110024221
614030305
73666620
oct1627041
9786435
10470561
112a15a3
121a8395
13136250
14c36b7
159465b
hex72e21

470561 has 8 divisors (see below), whose sum is σ = 579264. Its totient is φ = 372240.

The previous prime is 470551. The next prime is 470579. The reversal of 470561 is 165074.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-470561 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (470501) 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, 2495 + ... + 2676.

It is an arithmetic number, because the mean of its divisors is an integer number (72408).

470561 is a Friedman number, since it can be written as 5-4*(10-7^6), using all its digits and the basic arithmetic operations.

2470561 is an apocalyptic number.

It is an amenable number.

470561 is a deficient number, since it is larger than the sum of its proper divisors (108703).

470561 is a wasteful number, since it uses less digits than its factorization.

470561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5191.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 470561 is about 685.9744893216. The cubic root of 470561 is about 77.7807231689.

The spelling of 470561 in words is "four hundred seventy thousand, five hundred sixty-one".

Divisors: 1 7 13 91 5171 36197 67223 470561