Base | Representation |
---|---|
bin | 10110000010000… |
… | …100101001100001 |
3 | 221202112202121110 |
4 | 112002010221201 |
5 | 1224112021311 |
6 | 100402413533 |
7 | 12105622464 |
oct | 2602045141 |
9 | 852482543 |
10 | 369642081 |
11 | 17a720626 |
12 | a39612a9 |
13 | 5b772733 |
14 | 371412db |
15 | 226b88a6 |
hex | 16084a61 |
369642081 has 4 divisors (see below), whose sum is σ = 492856112. Its totient is φ = 246428052.
The previous prime is 369642059. The next prime is 369642083. The reversal of 369642081 is 180246963.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 369642081 - 213 = 369633889 is a prime.
It is a super-2 number, since 2×3696420812 = 273270536092021122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (369642083) 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, 61607011 + ... + 61607016.
It is an arithmetic number, because the mean of its divisors is an integer number (123214028).
Almost surely, 2369642081 is an apocalyptic number.
It is an amenable number.
369642081 is a deficient number, since it is larger than the sum of its proper divisors (123214031).
369642081 is a wasteful number, since it uses less digits than its factorization.
369642081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 123214030.
The product of its (nonzero) digits is 62208, while the sum is 39.
The square root of 369642081 is about 19226.0781492222. The cubic root of 369642081 is about 717.6738722392.
The spelling of 369642081 in words is "three hundred sixty-nine million, six hundred forty-two thousand, eighty-one".
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