Base | Representation |
---|---|
bin | 1001110001001… |
… | …1111001001011 |
3 | 2212002210102200 |
4 | 2130103321023 |
5 | 40442212242 |
6 | 4022131243 |
7 | 1005201255 |
oct | 234237113 |
9 | 85083380 |
10 | 40975947 |
11 | 21147921 |
12 | 11880b23 |
13 | 8648b2c |
14 | 5628cd5 |
15 | 38e604c |
hex | 2713e4b |
40975947 has 24 divisors (see below), whose sum is σ = 61165104. Its totient is φ = 26417664.
The previous prime is 40975937. The next prime is 40975969. The reversal of 40975947 is 74957904.
It is not a de Polignac number, because 40975947 - 24 = 40975931 is a prime.
It is not an unprimeable number, because it can be changed into a prime (40975937) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43263 + ... + 44199.
It is an arithmetic number, because the mean of its divisors is an integer number (2548546).
Almost surely, 240975947 is an apocalyptic number.
40975947 is a deficient number, since it is larger than the sum of its proper divisors (20189157).
40975947 is a wasteful number, since it uses less digits than its factorization.
40975947 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1099 (or 1096 counting only the distinct ones).
The product of its (nonzero) digits is 317520, while the sum is 45.
The square root of 40975947 is about 6401.2457381357. The cubic root of 40975947 is about 344.7542799783.
The spelling of 40975947 in words is "forty million, nine hundred seventy-five thousand, nine hundred forty-seven".
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