Base | Representation |
---|---|
bin | 101001110110… |
… | …100011110101 |
3 | 202122101220110 |
4 | 221312203311 |
5 | 10302041011 |
6 | 1031053233 |
7 | 162153351 |
oct | 51664365 |
9 | 22571813 |
10 | 10971381 |
11 | 6213a63 |
12 | 3811219 |
13 | 2371a55 |
14 | 1658461 |
15 | e6aba6 |
hex | a768f5 |
10971381 has 8 divisors (see below), whose sum is σ = 14740704. Its totient is φ = 7258160.
The previous prime is 10971353. The next prime is 10971383. The reversal of 10971381 is 18317901.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 10971381 - 25 = 10971349 is a prime.
It is a super-2 number, since 2×109713812 = 240742402094322, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10971383) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13566 + ... + 14351.
It is an arithmetic number, because the mean of its divisors is an integer number (1842588).
Almost surely, 210971381 is an apocalyptic number.
It is an amenable number.
10971381 is a deficient number, since it is larger than the sum of its proper divisors (3769323).
10971381 is a wasteful number, since it uses less digits than its factorization.
10971381 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28051.
The product of its (nonzero) digits is 1512, while the sum is 30.
The square root of 10971381 is about 3312.3075038408. The cubic root of 10971381 is about 222.2049685586.
The spelling of 10971381 in words is "ten million, nine hundred seventy-one thousand, three hundred eighty-one".
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