Base | Representation |
---|---|
bin | 110100001101… |
… | …0100111111111 |
3 | 1220111122100221 |
4 | 1220122213333 |
5 | 24001401111 |
6 | 2414402211 |
7 | 451441561 |
oct | 150324777 |
9 | 56448327 |
10 | 27372031 |
11 | 144a6015 |
12 | 9200367 |
13 | 5894a8b |
14 | 38c7331 |
15 | 260a371 |
hex | 1a1a9ff |
27372031 has 4 divisors (see below), whose sum is σ = 27390672. Its totient is φ = 27353392.
The previous prime is 27372017. The next prime is 27372049. The reversal of 27372031 is 13027372.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 27372031 - 223 = 18983423 is a prime.
It is a super-2 number, since 2×273720312 = 1498456162129922, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 27371987 and 27372005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27372011) 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, 6910 + ... + 10123.
It is an arithmetic number, because the mean of its divisors is an integer number (6847668).
Almost surely, 227372031 is an apocalyptic number.
27372031 is a deficient number, since it is larger than the sum of its proper divisors (18641).
27372031 is a wasteful number, since it uses less digits than its factorization.
27372031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18640.
The product of its (nonzero) digits is 1764, while the sum is 25.
The square root of 27372031 is about 5231.8286478057. The cubic root of 27372031 is about 301.3716119707.
The spelling of 27372031 in words is "twenty-seven million, three hundred seventy-two thousand, thirty-one".
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