Base | Representation |
---|---|
bin | 1101011011101… |
… | …1011011000111 |
3 | 10221000110222201 |
4 | 3112323123013 |
5 | 103410422330 |
6 | 5331335331 |
7 | 1252621006 |
oct | 326733307 |
9 | 127013881 |
10 | 56342215 |
11 | 29892816 |
12 | 16a51547 |
13 | b8990b7 |
14 | 76a8c3d |
15 | 4e2deca |
hex | 35bb6c7 |
56342215 has 8 divisors (see below), whose sum is σ = 69942240. Its totient is φ = 43519392.
The previous prime is 56342179. The next prime is 56342257. The reversal of 56342215 is 51224365.
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 56342215 - 215 = 56309447 is a prime.
It is a super-2 number, since 2×563422152 = 6348890382212450, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194139 + ... + 194428.
It is an arithmetic number, because the mean of its divisors is an integer number (8742780).
Almost surely, 256342215 is an apocalyptic number.
56342215 is a deficient number, since it is larger than the sum of its proper divisors (13600025).
56342215 is a wasteful number, since it uses less digits than its factorization.
56342215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 388601.
The product of its digits is 7200, while the sum is 28.
The square root of 56342215 is about 7506.1451491428. The cubic root of 56342215 is about 383.3639803265.
It can be divided in two parts, 563 and 42215, that added together give a triangular number (42778 = T292).
The spelling of 56342215 in words is "fifty-six million, three hundred forty-two thousand, two hundred fifteen".
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