Base | Representation |
---|---|
bin | 1010111101100… |
… | …1011101100011 |
3 | 10012112000000010 |
4 | 2233121131203 |
5 | 43232320431 |
6 | 4321300003 |
7 | 1065550665 |
oct | 257313543 |
9 | 105460003 |
10 | 45979491 |
11 | 23a55088 |
12 | 13494603 |
13 | 96ab3cc |
14 | 616c535 |
15 | 4083846 |
hex | 2bd9763 |
45979491 has 16 divisors (see below), whose sum is σ = 63227808. Its totient is φ = 29702400.
The previous prime is 45979481. The next prime is 45979499. The reversal of 45979491 is 19497954.
It is not a de Polignac number, because 45979491 - 25 = 45979459 is a prime.
It is a super-2 number, since 2×459794912 = 4228227185238162, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 45979491.
It is not an unprimeable number, because it can be changed into a prime (45979499) 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, 18121 + ... + 20501.
It is an arithmetic number, because the mean of its divisors is an integer number (3951738).
Almost surely, 245979491 is an apocalyptic number.
45979491 is a gapful number since it is divisible by the number (41) formed by its first and last digit.
45979491 is a deficient number, since it is larger than the sum of its proper divisors (17248317).
45979491 is a wasteful number, since it uses less digits than its factorization.
45979491 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2582.
The product of its digits is 408240, while the sum is 48.
The square root of 45979491 is about 6780.8178710241. The cubic root of 45979491 is about 358.2515293824.
The spelling of 45979491 in words is "forty-five million, nine hundred seventy-nine thousand, four hundred ninety-one".
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