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56214943 = 67839029
BaseRepresentation
bin1101011001110…
…0010110011111
310220210000101221
43112130112133
5103342334233
65324514211
71251550651
oct326342637
9126700357
1056214943
1129806134
12169ab967
13b8531a5
1476746d1
154e0642d
hex359c59f

56214943 has 4 divisors (see below), whose sum is σ = 57054040. Its totient is φ = 55375848.

The previous prime is 56214919. The next prime is 56214947. The reversal of 56214943 is 34941265.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34941265 = 56988253.

It is a cyclic number.

It is not a de Polignac number, because 56214943 - 217 = 56083871 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56214899 and 56214908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56214947) 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, 419448 + ... + 419581.

It is an arithmetic number, because the mean of its divisors is an integer number (14263510).

Almost surely, 256214943 is an apocalyptic number.

56214943 is a deficient number, since it is larger than the sum of its proper divisors (839097).

56214943 is an equidigital number, since it uses as much as digits as its factorization.

56214943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839096.

The product of its digits is 25920, while the sum is 34.

The square root of 56214943 is about 7497.6625024070. The cubic root of 56214943 is about 383.0751011074.

The spelling of 56214943 in words is "fifty-six million, two hundred fourteen thousand, nine hundred forty-three".

Divisors: 1 67 839029 56214943