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470407409 = 2112229419
BaseRepresentation
bin11100000010011…
…101100011110001
31012210011011122122
4130002131203301
51430411014114
6114402244025
714441253113
oct3402354361
91183134578
10470407409
1122159505a
12111656615
13765c36a4
14466913b3
152b46ee8e
hex1c09d8f1

470407409 has 4 divisors (see below), whose sum is σ = 472637040. Its totient is φ = 468177780.

The previous prime is 470407369. The next prime is 470407429. The reversal of 470407409 is 904704074.

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 470407409 - 220 = 469358833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (470407429) 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, 1114499 + ... + 1114920.

It is an arithmetic number, because the mean of its divisors is an integer number (118159260).

Almost surely, 2470407409 is an apocalyptic number.

It is an amenable number.

470407409 is a deficient number, since it is larger than the sum of its proper divisors (2229631).

470407409 is a wasteful number, since it uses less digits than its factorization.

470407409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229630.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 470407409 is about 21688.8775412652. The cubic root of 470407409 is about 777.7225971139.

The spelling of 470407409 in words is "four hundred seventy million, four hundred seven thousand, four hundred nine".

Divisors: 1 211 2229419 470407409