Base | Representation |
---|---|
bin | 11100001011010… |
… | …011101100010011 |
3 | 1012221111222120011 |
4 | 130023103230103 |
5 | 1432004220131 |
6 | 114524055351 |
7 | 14500051522 |
oct | 3413235423 |
9 | 1187458504 |
10 | 472726291 |
11 | 222929294 |
12 | 112394557 |
13 | 76c25ccb |
14 | 46ad64b9 |
15 | 2b77c0b1 |
hex | 1c2d3b13 |
472726291 has 16 divisors (see below), whose sum is σ = 499392000. Its totient is φ = 446611968.
The previous prime is 472726277. The next prime is 472726333. The reversal of 472726291 is 192627274.
It is a cyclic number.
It is not a de Polignac number, because 472726291 - 217 = 472595219 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (472726691) 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, 818995 + ... + 819571.
It is an arithmetic number, because the mean of its divisors is an integer number (31212000).
Almost surely, 2472726291 is an apocalyptic number.
472726291 is a deficient number, since it is larger than the sum of its proper divisors (26665709).
472726291 is a wasteful number, since it uses less digits than its factorization.
472726291 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 978.
The product of its digits is 84672, while the sum is 40.
The square root of 472726291 is about 21742.2696837290. The cubic root of 472726291 is about 778.9984356112.
The spelling of 472726291 in words is "four hundred seventy-two million, seven hundred twenty-six thousand, two hundred ninety-one".
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