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472748691 = 3295433893
BaseRepresentation
bin11100001011011…
…001001010010011
31012221120010021210
4130023121022103
51432010424231
6114524351203
714500204032
oct3413311223
91187503253
10472748691
112229440a8
121123a5503
1376c3326c
1446b00719
152b783a46
hex1c2d9293

472748691 has 8 divisors (see below), whose sum is σ = 652067280. Its totient is φ = 304297952.

The previous prime is 472748663. The next prime is 472748713. The reversal of 472748691 is 196847274.

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

It is a cyclic number.

It is not a de Polignac number, because 472748691 - 25 = 472748659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 472748691.

It is not an unprimeable number, because it can be changed into a prime (472748621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2716860 + ... + 2717033.

It is an arithmetic number, because the mean of its divisors is an integer number (81508410).

Almost surely, 2472748691 is an apocalyptic number.

472748691 is a deficient number, since it is larger than the sum of its proper divisors (179318589).

472748691 is a wasteful number, since it uses less digits than its factorization.

472748691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5433925.

The product of its digits is 677376, while the sum is 48.

The square root of 472748691 is about 21742.7848032399. The cubic root of 472748691 is about 779.0107396229.

The spelling of 472748691 in words is "four hundred seventy-two million, seven hundred forty-eight thousand, six hundred ninety-one".

Divisors: 1 3 29 87 5433893 16301679 157582897 472748691