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472721045 = 5195393887
BaseRepresentation
bin11100001011010…
…010011010010101
31012221111201100212
4130023102122111
51432004033140
6114524015205
714500030316
oct3413223225
91187451325
10472721045
11222925355
12112391505
1376c237c4
1446ad460d
152b77a765
hex1c2d2695

472721045 has 16 divisors (see below), whose sum is σ = 608394240. Its totient is φ = 351509184.

The previous prime is 472721017. The next prime is 472721087. The reversal of 472721045 is 540127274.

It is a cyclic number.

It is not a de Polignac number, because 472721045 - 26 = 472720981 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41909 + ... + 51978.

It is an arithmetic number, because the mean of its divisors is an integer number (38024640).

Almost surely, 2472721045 is an apocalyptic number.

It is an amenable number.

472721045 is a deficient number, since it is larger than the sum of its proper divisors (135673195).

472721045 is a wasteful number, since it uses less digits than its factorization.

472721045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93964.

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 472721045 is about 21742.1490428154. The cubic root of 472721045 is about 778.9955539995.

The spelling of 472721045 in words is "four hundred seventy-two million, seven hundred twenty-one thousand, forty-five".

Divisors: 1 5 19 53 95 265 1007 5035 93887 469435 1783853 4976011 8919265 24880055 94544209 472721045