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470421728 = 2572100097
BaseRepresentation
bin11100000010100…
…001000011100000
31012210011220021222
4130002201003200
51430411443403
6114402434212
714441342630
oct3402410340
91183156258
10470421728
112215a4897
12111662968
13765ca06a
14466966c0
152b474338
hex1c0a10e0

470421728 has 24 divisors (see below), whose sum is σ = 1058449392. Its totient is φ = 201609216.

The previous prime is 470421713. The next prime is 470421733. The reversal of 470421728 is 827124074.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1049825 + ... + 1050272.

It is an arithmetic number, because the mean of its divisors is an integer number (44102058).

Almost surely, 2470421728 is an apocalyptic number.

It is an amenable number.

470421728 is an abundant number, since it is smaller than the sum of its proper divisors (588027664).

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

470421728 is a wasteful number, since it uses less digits than its factorization.

470421728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100114 (or 2100106 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 35.

The square root of 470421728 is about 21689.2076388235. The cubic root of 470421728 is about 777.7304882148.

The spelling of 470421728 in words is "four hundred seventy million, four hundred twenty-one thousand, seven hundred twenty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 2100097 4200194 8400388 14700679 16800776 29401358 33601552 58802716 67203104 117605432 235210864 470421728