Base | Representation |
---|---|
bin | 11100001011010… |
… | …010011010010101 |
3 | 1012221111201100212 |
4 | 130023102122111 |
5 | 1432004033140 |
6 | 114524015205 |
7 | 14500030316 |
oct | 3413223225 |
9 | 1187451325 |
10 | 472721045 |
11 | 222925355 |
12 | 112391505 |
13 | 76c237c4 |
14 | 46ad460d |
15 | 2b77a765 |
hex | 1c2d2695 |
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".
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