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52400126 = 226200063
BaseRepresentation
bin1100011111100…
…0111111111110
310122121012110102
43013320333332
5101403301001
65111041102
71204252022
oct307707776
9118535412
1052400126
112763aa99
1215670192
13ab189bc
146d60382
154900e6b
hex31f8ffe

52400126 has 4 divisors (see below), whose sum is σ = 78600192. Its totient is φ = 26200062.

The previous prime is 52400087. The next prime is 52400149. The reversal of 52400126 is 62100425.

It is a happy number.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 52400098 and 52400107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13100030 + ... + 13100033.

It is an arithmetic number, because the mean of its divisors is an integer number (19650048).

Almost surely, 252400126 is an apocalyptic number.

52400126 is a deficient number, since it is larger than the sum of its proper divisors (26200066).

52400126 is a wasteful number, since it uses less digits than its factorization.

52400126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26200065.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 52400126 is about 7238.7931314550. The cubic root of 52400126 is about 374.2060262088.

The spelling of 52400126 in words is "fifty-two million, four hundred thousand, one hundred twenty-six".

Divisors: 1 2 26200063 52400126