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52542451 = 135376259
BaseRepresentation
bin1100100001101…
…1101111110011
310122212102200201
43020123233303
5101422324301
65114100031
71205413663
oct310335763
9118772621
1052542451
1127727a15
121571a617
13ab68710
146d9a1a3
15492d201
hex321bbf3

52542451 has 8 divisors (see below), whose sum is σ = 57652560. Its totient is φ = 47584992.

The previous prime is 52542449. The next prime is 52542473. The reversal of 52542451 is 15424525.

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

It is not a de Polignac number, because 52542451 - 21 = 52542449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52542421) 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, 37441 + ... + 38818.

It is an arithmetic number, because the mean of its divisors is an integer number (7206570).

Almost surely, 252542451 is an apocalyptic number.

52542451 is a deficient number, since it is larger than the sum of its proper divisors (5110109).

52542451 is a wasteful number, since it uses less digits than its factorization.

52542451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76325.

The product of its digits is 8000, while the sum is 28.

The square root of 52542451 is about 7248.6171784693. The cubic root of 52542451 is about 374.5445160193.

Adding to 52542451 its reverse (15424525), we get a palindrome (67966976).

The spelling of 52542451 in words is "fifty-two million, five hundred forty-two thousand, four hundred fifty-one".

Divisors: 1 13 53 689 76259 991367 4041727 52542451