Base | Representation |
---|---|
bin | 11101010000100… |
… | …001110101010111 |
3 | 1021012122220000001 |
4 | 131100201311113 |
5 | 2001130402101 |
6 | 120413032131 |
7 | 15110226100 |
oct | 3520416527 |
9 | 1235586001 |
10 | 490872151 |
11 | 2320a2570 |
12 | 118485647 |
13 | 7a90a4c3 |
14 | 4929b3a7 |
15 | 2d163901 |
hex | 1d421d57 |
490872151 has 12 divisors (see below), whose sum is σ = 622925640. Its totient is φ = 382497360.
The previous prime is 490872149. The next prime is 490872157. The reversal of 490872151 is 151278094.
It is not a de Polignac number, because 490872151 - 21 = 490872149 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 490872151.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (490872157) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 454816 + ... + 455893.
It is an arithmetic number, because the mean of its divisors is an integer number (51910470).
Almost surely, 2490872151 is an apocalyptic number.
490872151 is a deficient number, since it is larger than the sum of its proper divisors (132053489).
490872151 is a wasteful number, since it uses less digits than its factorization.
490872151 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 910734 (or 910727 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 37.
The square root of 490872151 is about 22155.6347460415. The cubic root of 490872151 is about 788.8409810805.
The spelling of 490872151 in words is "four hundred ninety million, eight hundred seventy-two thousand, one hundred fifty-one".
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