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53124013 = 591496043
BaseRepresentation
bin1100101010100…
…1101110101101
310200221222110001
43022221232231
5102044432023
65134344301
71213355335
oct312515655
9120858401
1053124013
1127a94948
121595b091
13b010337
1470ac0c5
1549e56ad
hex32a9bad

53124013 has 8 divisors (see below), whose sum is σ = 54396000. Its totient is φ = 51864528.

The previous prime is 53123977. The next prime is 53124023. The reversal of 53124013 is 31042135.

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

It is a cyclic number.

It is not a de Polignac number, because 53124013 - 29 = 53123501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53124023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5770 + ... + 11812.

It is an arithmetic number, because the mean of its divisors is an integer number (6799500).

Almost surely, 253124013 is an apocalyptic number.

It is an amenable number.

53124013 is a deficient number, since it is larger than the sum of its proper divisors (1271987).

53124013 is a wasteful number, since it uses less digits than its factorization.

53124013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6251.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 53124013 is about 7288.6221606007. The cubic root of 53124013 is about 375.9213209638.

Adding to 53124013 its reverse (31042135), we get a palindrome (84166148).

The spelling of 53124013 in words is "fifty-three million, one hundred twenty-four thousand, thirteen".

Divisors: 1 59 149 6043 8791 356537 900407 53124013