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472578290 = 2547257829
BaseRepresentation
bin11100001010101…
…111100011110010
31012221020110112122
4130022233203302
51431440001130
6114520554242
714465564162
oct3412574362
91187213478
10472578290
11222838078
12112322982
1376ba3832
1446a985a2
152b74d2e5
hex1c2af8f2

472578290 has 8 divisors (see below), whose sum is σ = 850640940. Its totient is φ = 189031312.

The previous prime is 472578247. The next prime is 472578307. The reversal of 472578290 is 92875274.

It can be written as a sum of positive squares in 2 ways, for example, as 455694409 + 16883881 = 21347^2 + 4109^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 23628905 + ... + 23628924.

Almost surely, 2472578290 is an apocalyptic number.

472578290 is a deficient number, since it is larger than the sum of its proper divisors (378062650).

472578290 is a wasteful number, since it uses less digits than its factorization.

472578290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47257836.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 472578290 is about 21738.8658857816. The cubic root of 472578290 is about 778.9171309298.

The spelling of 472578290 in words is "four hundred seventy-two million, five hundred seventy-eight thousand, two hundred ninety".

Divisors: 1 2 5 10 47257829 94515658 236289145 472578290