Base | Representation |
---|---|
bin | 1010110110100… |
… | …00001101100110 |
3 | 20100021211012100 |
4 | 11123100031212 |
5 | 141300432444 |
6 | 13011032530 |
7 | 2153513451 |
oct | 533201546 |
9 | 210254170 |
10 | 91030374 |
11 | 47425516 |
12 | 2659b746 |
13 | 15b22c36 |
14 | c138498 |
15 | 7ed1e69 |
hex | 56d0366 |
91030374 has 12 divisors (see below), whose sum is σ = 197232516. Its totient is φ = 30343452.
The previous prime is 91030367. The next prime is 91030403. The reversal of 91030374 is 47303019.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2528604 + ... + 2528639.
It is an arithmetic number, because the mean of its divisors is an integer number (16436043).
Almost surely, 291030374 is an apocalyptic number.
91030374 is an abundant number, since it is smaller than the sum of its proper divisors (106202142).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
91030374 is a wasteful number, since it uses less digits than its factorization.
91030374 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5057251 (or 5057248 counting only the distinct ones).
The product of its (nonzero) digits is 2268, while the sum is 27.
The square root of 91030374 is about 9540.9839115261. The cubic root of 91030374 is about 449.8441830901.
The spelling of 91030374 in words is "ninety-one million, thirty thousand, three hundred seventy-four".
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