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52510014 = 2322917223
BaseRepresentation
bin1100100001001…
…1110100111110
310122210210012100
43020103310332
5101420310024
65113245530
71205220264
oct310236476
9118723170
1052510014
1127705607
12157038a6
13ab56a1b
146d8c434
1549237c9
hex3213d3e

52510014 has 12 divisors (see below), whose sum is σ = 113771736. Its totient is φ = 17503332.

The previous prime is 52510013. The next prime is 52510019. The reversal of 52510014 is 41001525.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 2917223 = 52510014 / (5 + 2 + 5 + 1 + 0 + 0 + 1 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52510013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1458594 + ... + 1458629.

It is an arithmetic number, because the mean of its divisors is an integer number (9480978).

Almost surely, 252510014 is an apocalyptic number.

52510014 is an abundant number, since it is smaller than the sum of its proper divisors (61261722).

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

52510014 is a wasteful number, since it uses less digits than its factorization.

52510014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2917231 (or 2917228 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 52510014 is about 7246.3793717966. The cubic root of 52510014 is about 374.4674253293.

Adding to 52510014 its reverse (41001525), we get a palindrome (93511539).

The spelling of 52510014 in words is "fifty-two million, five hundred ten thousand, fourteen".

Divisors: 1 2 3 6 9 18 2917223 5834446 8751669 17503338 26255007 52510014