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52748105 = 510549621
BaseRepresentation
bin1100100100110…
…1111101001001
310200020212210112
43021031331021
5102000414410
65122324105
71210231364
oct311157511
9120225715
1052748105
1127858483
12157b9635
13ac0b1c7
1470110db
15496e105
hex324df49

52748105 has 4 divisors (see below), whose sum is σ = 63297732. Its totient is φ = 42198480.

The previous prime is 52748029. The next prime is 52748107. The reversal of 52748105 is 50184725.

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

It can be written as a sum of positive squares in 2 ways, for example, as 36772096 + 15976009 = 6064^2 + 3997^2 .

It is a de Polignac number, because none of the positive numbers 2k-52748105 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52748107) 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, 5274806 + ... + 5274815.

It is an arithmetic number, because the mean of its divisors is an integer number (15824433).

Almost surely, 252748105 is an apocalyptic number.

It is an amenable number.

52748105 is a deficient number, since it is larger than the sum of its proper divisors (10549627).

52748105 is a wasteful number, since it uses less digits than its factorization.

52748105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10549626.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 52748105 is about 7262.7890648153. The cubic root of 52748105 is about 375.0325423611.

The spelling of 52748105 in words is "fifty-two million, seven hundred forty-eight thousand, one hundred five".

Divisors: 1 5 10549621 52748105