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470521271 = 1142774661
BaseRepresentation
bin11100000010111…
…001010110110111
31012210100221211202
4130002321112313
51430423140041
6114404523115
714442236063
oct3402712667
91183327752
10470521271
11221662660
121116b049b
137663346c
14466c0aa3
152b493a9b
hex1c0b95b7

470521271 has 4 divisors (see below), whose sum is σ = 513295944. Its totient is φ = 427746600.

The previous prime is 470521253. The next prime is 470521297. The reversal of 470521271 is 172125074.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-470521271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (470521231) 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, 21387320 + ... + 21387341.

It is an arithmetic number, because the mean of its divisors is an integer number (128323986).

Almost surely, 2470521271 is an apocalyptic number.

470521271 is a deficient number, since it is larger than the sum of its proper divisors (42774673).

470521271 is a wasteful number, since it uses less digits than its factorization.

470521271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42774672.

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 470521271 is about 21691.5022762371. The cubic root of 470521271 is about 777.7853412409.

The spelling of 470521271 in words is "four hundred seventy million, five hundred twenty-one thousand, two hundred seventy-one".

Divisors: 1 11 42774661 470521271