Base | Representation |
---|---|
bin | 1110100110010… |
… | …1010000101001 |
3 | 11021012220202010 |
4 | 3221211100221 |
5 | 111133412134 |
6 | 10024230133 |
7 | 1342315305 |
oct | 351452051 |
9 | 137186663 |
10 | 61232169 |
11 | 316226a9 |
12 | 1860b349 |
13 | c8bba6b |
14 | 81bcd05 |
15 | 5597ce9 |
hex | 3a65429 |
61232169 has 8 divisors (see below), whose sum is σ = 81689760. Its totient is φ = 40798016.
The previous prime is 61232153. The next prime is 61232173. The reversal of 61232169 is 96123216.
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 61232169 - 24 = 61232153 is a prime.
It is a super-2 number, since 2×612321692 = 7498757040889122, which contains 22 as substring.
It is an alternating number because its digits alternate between even and odd.
It is not an unprimeable number, because it can be changed into a prime (61232069) 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, 1594 + ... + 11180.
It is an arithmetic number, because the mean of its divisors is an integer number (10211220).
Almost surely, 261232169 is an apocalyptic number.
It is an amenable number.
61232169 is a deficient number, since it is larger than the sum of its proper divisors (20457591).
61232169 is a wasteful number, since it uses less digits than its factorization.
61232169 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11719.
The product of its digits is 3888, while the sum is 30.
The square root of 61232169 is about 7825.0986575250. The cubic root of 61232169 is about 394.1485027743.
The spelling of 61232169 in words is "sixty-one million, two hundred thirty-two thousand, one hundred sixty-nine".
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