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53123502 = 238853917
BaseRepresentation
bin1100101010100…
…1100110101110
310200221221202010
43022221212232
5102044423002
65134342050
71213354005
oct312514656
9120857663
1053123502
1127a94523
121595a926
13b010033
1470abc3c
1549e546c
hex32a99ae

53123502 has 8 divisors (see below), whose sum is σ = 106247016. Its totient is φ = 17707832.

The previous prime is 53123501. The next prime is 53123561. The reversal of 53123502 is 20532135.

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

53123502 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53123501) 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, 4426953 + ... + 4426964.

It is an arithmetic number, because the mean of its divisors is an integer number (13280877).

Almost surely, 253123502 is an apocalyptic number.

53123502 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53123502 is a wasteful number, since it uses less digits than its factorization.

53123502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8853922.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 53123502 is about 7288.5871058800. The cubic root of 53123502 is about 375.9201156306.

Adding to 53123502 its reverse (20532135), we get a palindrome (73655637).

The spelling of 53123502 in words is "fifty-three million, one hundred twenty-three thousand, five hundred two".

Divisors: 1 2 3 6 8853917 17707834 26561751 53123502