Base | Representation |
---|---|
bin | 11100001011001… |
… | …111100001000111 |
3 | 1012221111010002211 |
4 | 130023033201013 |
5 | 1432003143231 |
6 | 114523444251 |
7 | 14466650623 |
oct | 3413174107 |
9 | 1187433084 |
10 | 472709191 |
11 | 222917459 |
12 | 112386687 |
13 | 76c1b2a6 |
14 | 46ad0183 |
15 | 2b776eb1 |
hex | 1c2cf847 |
472709191 has 16 divisors (see below), whose sum is σ = 520600608. Its totient is φ = 427392000.
The previous prime is 472709161. The next prime is 472709203. The reversal of 472709191 is 191907274.
It is a cyclic number.
It is not a de Polignac number, because 472709191 - 27 = 472709063 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (472709161) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39291 + ... + 49891.
It is an arithmetic number, because the mean of its divisors is an integer number (32537538).
Almost surely, 2472709191 is an apocalyptic number.
472709191 is a deficient number, since it is larger than the sum of its proper divisors (47891417).
472709191 is a wasteful number, since it uses less digits than its factorization.
472709191 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10722.
The product of its (nonzero) digits is 31752, while the sum is 40.
The square root of 472709191 is about 21741.8764369592. The cubic root of 472709191 is about 778.9890425550.
The spelling of 472709191 in words is "four hundred seventy-two million, seven hundred nine thousand, one hundred ninety-one".
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