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52026413 = 1013731381
BaseRepresentation
bin1100011001110…
…1110000101101
310121220012211012
43012131300231
5101304321123
65055035005
71201134335
oct306356055
9117805735
1052026413
112740523a
121550ba65
13aa1787a
146ca40c5
15487a378
hex319dc2d

52026413 has 8 divisors (see below), whose sum is σ = 52720536. Its totient is φ = 51336000.

The previous prime is 52026407. The next prime is 52026419. The reversal of 52026413 is 31462025.

It is an interprime number because it is at equal distance from previous prime (52026407) and next prime (52026419).

It can be written as a sum of positive squares in 4 ways, for example, as 20811844 + 31214569 = 4562^2 + 5587^2 .

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 52026413 - 26 = 52026349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52026419) 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, 36983 + ... + 38363.

It is an arithmetic number, because the mean of its divisors is an integer number (6590067).

Almost surely, 252026413 is an apocalyptic number.

It is an amenable number.

52026413 is a deficient number, since it is larger than the sum of its proper divisors (694123).

52026413 is a wasteful number, since it uses less digits than its factorization.

52026413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 52026413 is about 7212.9337304595. The cubic root of 52026413 is about 373.3143016623.

Adding to 52026413 its reverse (31462025), we get a palindrome (83488438).

The spelling of 52026413 in words is "fifty-two million, twenty-six thousand, four hundred thirteen".

Divisors: 1 101 373 1381 37673 139481 515113 52026413