Base | Representation |
---|---|
bin | 101000100011… |
… | …011111101101 |
3 | 202000010012021 |
4 | 220203133231 |
5 | 10210144044 |
6 | 1015510141 |
7 | 156235414 |
oct | 50433755 |
9 | 22003167 |
10 | 10631149 |
11 | 6001381 |
12 | 3688351 |
13 | 2282c29 |
14 | 15aa47b |
15 | deee84 |
hex | a237ed |
10631149 has 4 divisors (see below), whose sum is σ = 10670940. Its totient is φ = 10591360.
The previous prime is 10631147. The next prime is 10631161. The reversal of 10631149 is 94113601.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 275625 + 10355524 = 525^2 + 3218^2 .
It is a cyclic number.
It is not a de Polignac number, because 10631149 - 21 = 10631147 is a prime.
It is a super-2 number, since 2×106311492 = 226042658120402, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10631143) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19492 + ... + 20029.
It is an arithmetic number, because the mean of its divisors is an integer number (2667735).
Almost surely, 210631149 is an apocalyptic number.
It is an amenable number.
10631149 is a deficient number, since it is larger than the sum of its proper divisors (39791).
10631149 is an equidigital number, since it uses as much as digits as its factorization.
10631149 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39790.
The product of its (nonzero) digits is 648, while the sum is 25.
The square root of 10631149 is about 3260.5442797177. The cubic root of 10631149 is about 219.8838850068.
The spelling of 10631149 in words is "ten million, six hundred thirty-one thousand, one hundred forty-nine".
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