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56142233 = 719014219
BaseRepresentation
bin1101011000101…
…0100110011001
310220122022122222
43112022212121
5103333022413
65323153425
71251125660
oct326124631
9126568588
1056142233
1129766544
1216975875
13b829074
147655dd7
154ddeb08
hex358a999

56142233 has 8 divisors (see below), whose sum is σ = 64211520. Its totient is φ = 48085200.

The previous prime is 56142223. The next prime is 56142263. The reversal of 56142233 is 33224165.

56142233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56142233 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56142223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11198 + ... + 15416.

It is an arithmetic number, because the mean of its divisors is an integer number (8026440).

Almost surely, 256142233 is an apocalyptic number.

It is an amenable number.

56142233 is a deficient number, since it is larger than the sum of its proper divisors (8069287).

56142233 is a wasteful number, since it uses less digits than its factorization.

56142233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6127.

The product of its digits is 4320, while the sum is 26.

The square root of 56142233 is about 7492.8120889290. The cubic root of 56142233 is about 382.9098697855.

Adding to 56142233 its reverse (33224165), we get a palindrome (89366398).

The spelling of 56142233 in words is "fifty-six million, one hundred forty-two thousand, two hundred thirty-three".

Divisors: 1 7 1901 4219 13307 29533 8020319 56142233