Base | Representation |
---|---|
bin | 101001101011… |
… | …011110011101 |
3 | 202120002121222 |
4 | 221223132131 |
5 | 10244112411 |
6 | 1030103125 |
7 | 161604113 |
oct | 51533635 |
9 | 22502558 |
10 | 10925981 |
11 | 6192940 |
12 | 37aaaa5 |
13 | 23571a1 |
14 | 1645ab3 |
15 | e5c4db |
hex | a6b79d |
10925981 has 12 divisors (see below), whose sum is σ = 12372864. Its totient is φ = 9558600.
The previous prime is 10925963. The next prime is 10925987. The reversal of 10925981 is 18952901.
It is not a de Polignac number, because 10925981 - 210 = 10924957 is a prime.
It is a super-2 number, since 2×109259812 = 238754121624722, 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 (10925987) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60950 + ... + 61128.
It is an arithmetic number, because the mean of its divisors is an integer number (1031072).
Almost surely, 210925981 is an apocalyptic number.
10925981 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
10925981 is a deficient number, since it is larger than the sum of its proper divisors (1446883).
10925981 is an equidigital number, since it uses as much as digits as its factorization.
10925981 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 400 (or 221 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 35.
The square root of 10925981 is about 3305.4471709589. The cubic root of 10925981 is about 221.8980472257.
The spelling of 10925981 in words is "ten million, nine hundred twenty-five thousand, nine hundred eighty-one".
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