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470661 = 3156887
BaseRepresentation
bin1110010111010000101
3212220121220
41302322011
5110030121
614030553
74000122
oct1627205
9786556
10470661
112a1684
121a8459
131362c9
14c3749
15946c6
hex72e85

470661 has 4 divisors (see below), whose sum is σ = 627552. Its totient is φ = 313772.

The previous prime is 470653. The next prime is 470663. The reversal of 470661 is 166074.

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 a cyclic number.

It is not a de Polignac number, because 470661 - 23 = 470653 is a prime.

It is a D-number.

It is a Curzon 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 470661.

It is not an unprimeable number, because it can be changed into a prime (470663) 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, 78441 + ... + 78446.

It is an arithmetic number, because the mean of its divisors is an integer number (156888).

2470661 is an apocalyptic number.

It is an amenable number.

470661 is a deficient number, since it is larger than the sum of its proper divisors (156891).

470661 is a wasteful number, since it uses less digits than its factorization.

470661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156890.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 470661 is about 686.0473744575. The cubic root of 470661 is about 77.7862325654.

The spelling of 470661 in words is "four hundred seventy thousand, six hundred sixty-one".

Divisors: 1 3 156887 470661