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52479286 = 226239643
BaseRepresentation
bin1100100000110…
…0010100110110
310122202020001021
43020030110312
5101413314121
65112451354
71205031556
oct310142466
9118666037
1052479286
1127694512
12156a9b5a
13ab45a42
146d81166
154919641
hex320c536

52479286 has 4 divisors (see below), whose sum is σ = 78718932. Its totient is φ = 26239642.

The previous prime is 52479281. The next prime is 52479313. The reversal of 52479286 is 68297425.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52479281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13119820 + ... + 13119823.

It is an arithmetic number, because the mean of its divisors is an integer number (19679733).

Almost surely, 252479286 is an apocalyptic number.

52479286 is a deficient number, since it is larger than the sum of its proper divisors (26239646).

52479286 is a wasteful number, since it uses less digits than its factorization.

52479286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26239645.

The product of its digits is 241920, while the sum is 43.

The square root of 52479286 is about 7244.2588302738. The cubic root of 52479286 is about 374.3943670090.

The spelling of 52479286 in words is "fifty-two million, four hundred seventy-nine thousand, two hundred eighty-six".

Divisors: 1 2 26239643 52479286