Base | Representation |
---|---|
bin | 11011111100100… |
… | …110100101000011 |
3 | 1012200021010202210 |
4 | 123330212211003 |
5 | 1430012341431 |
6 | 114305313203 |
7 | 14422225164 |
oct | 3374464503 |
9 | 1180233683 |
10 | 468871491 |
11 | 220736100 |
12 | 111035803 |
13 | 761a656a |
14 | 463b176b |
15 | 2b269d46 |
hex | 1bf26943 |
468871491 has 48 divisors (see below), whose sum is σ = 726243840. Its totient is φ = 268329600.
The previous prime is 468871471. The next prime is 468871499. The reversal of 468871491 is 194178864.
It is not a de Polignac number, because 468871491 - 29 = 468870979 is a prime.
Its product of digits (387072) is a multiple of the sum of its prime factors (768).
It is a self number, because there is not a number n which added to its sum of digits gives 468871491.
It is not an unprimeable number, because it can be changed into a prime (468871499) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 742746 + ... + 743376.
It is an arithmetic number, because the mean of its divisors is an integer number (15130080).
Almost surely, 2468871491 is an apocalyptic number.
468871491 is a deficient number, since it is larger than the sum of its proper divisors (257372349).
468871491 is a wasteful number, since it uses less digits than its factorization.
468871491 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 768 (or 757 counting only the distinct ones).
The product of its digits is 387072, while the sum is 48.
The square root of 468871491 is about 21653.4406272999. The cubic root of 468871491 is about 776.8752319419.
The spelling of 468871491 in words is "four hundred sixty-eight million, eight hundred seventy-one thousand, four hundred ninety-one".
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