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470752220 = 22523537611
BaseRepresentation
bin11100000011110…
…001101111011100
31012210210200122102
4130003301233130
51431003032340
6114413504232
714444220311
oct3403615734
91183720572
10470752220
11221800124
121117a2078
13766b4613
1446740d08
152b4dc215
hex1c0f1bdc

470752220 has 12 divisors (see below), whose sum is σ = 988579704. Its totient is φ = 188300880.

The previous prime is 470752199. The next prime is 470752229. The reversal of 470752220 is 22257074.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (470752229) 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, 11768786 + ... + 11768825.

It is an arithmetic number, because the mean of its divisors is an integer number (82381642).

Almost surely, 2470752220 is an apocalyptic number.

It is an amenable number.

470752220 is an abundant number, since it is smaller than the sum of its proper divisors (517827484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

470752220 is a wasteful number, since it uses less digits than its factorization.

470752220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23537620 (or 23537618 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 470752220 is about 21696.8251133662. The cubic root of 470752220 is about 777.9125755633.

The spelling of 470752220 in words is "four hundred seventy million, seven hundred fifty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 23537611 47075222 94150444 117688055 235376110 470752220