Base | Representation |
---|---|
bin | 1010111000000… |
… | …01001011000010 |
3 | 20100200000021202 |
4 | 11130001023002 |
5 | 141323342124 |
6 | 13015221202 |
7 | 2155310225 |
oct | 534011302 |
9 | 210600252 |
10 | 91230914 |
11 | 47552155 |
12 | 26677802 |
13 | 15b932b8 |
14 | c18b5bc |
15 | 80215ae |
hex | 57012c2 |
91230914 has 16 divisors (see below), whose sum is σ = 140123520. Its totient is φ = 44531760.
The previous prime is 91230877. The next prime is 91230961. The reversal of 91230914 is 41903219.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20327 + ... + 24405.
It is an arithmetic number, because the mean of its divisors is an integer number (8757720).
Almost surely, 291230914 is an apocalyptic number.
91230914 is a deficient number, since it is larger than the sum of its proper divisors (48892606).
91230914 is a wasteful number, since it uses less digits than its factorization.
91230914 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4345.
The product of its (nonzero) digits is 1944, while the sum is 29.
The square root of 91230914 is about 9551.4875281288. The cubic root of 91230914 is about 450.1742765302.
The spelling of 91230914 in words is "ninety-one million, two hundred thirty thousand, nine hundred fourteen".
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