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56213054 = 228106527
BaseRepresentation
bin1101011001101…
…1111000111110
310220202220210222
43112123320332
5103342304204
65324501342
71251542312
oct326337076
9126686728
1056213054
1129804777
12169aa852
13b852381
147673b42
154e05abe
hex359be3e

56213054 has 4 divisors (see below), whose sum is σ = 84319584. Its totient is φ = 28106526.

The previous prime is 56213051. The next prime is 56213057. The reversal of 56213054 is 45031265.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45031265 = 59006253.

It is an interprime number because it is at equal distance from previous prime (56213051) and next prime (56213057).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56213051) by changing a digit.

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 as a sum of consecutive naturals, namely, 14053262 + ... + 14053265.

It is an arithmetic number, because the mean of its divisors is an integer number (21079896).

Almost surely, 256213054 is an apocalyptic number.

56213054 is a deficient number, since it is larger than the sum of its proper divisors (28106530).

56213054 is a wasteful number, since it uses less digits than its factorization.

56213054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28106529.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 56213054 is about 7497.5365287540. The cubic root of 56213054 is about 383.0708102140.

The spelling of 56213054 in words is "fifty-six million, two hundred thirteen thousand, fifty-four".

Divisors: 1 2 28106527 56213054