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52520542 = 237796949
BaseRepresentation
bin1100100001011…
…0011001011110
310122211022122021
43020112121132
5101421124132
65113410354
71205263054
oct310263136
9118738567
1052520542
1127712508
12157099ba
13ab5b759
146d921d4
154926997
hex321665e

52520542 has 8 divisors (see below), whose sum is σ = 78813000. Its totient is φ = 26249544.

The previous prime is 52520527. The next prime is 52520597. The reversal of 52520542 is 24502525.

It is a happy number.

52520542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4084 + ... + 11032.

It is an arithmetic number, because the mean of its divisors is an integer number (9851625).

Almost surely, 252520542 is an apocalyptic number.

52520542 is a deficient number, since it is larger than the sum of its proper divisors (26292458).

52520542 is a wasteful number, since it uses less digits than its factorization.

52520542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10730.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 52520542 is about 7247.1057671321. The cubic root of 52520542 is about 374.4924499504.

It can be divided in two parts, 5 and 2520542, that multiplied together give a triangular number (12602710 = T5020).

The spelling of 52520542 in words is "fifty-two million, five hundred twenty thousand, five hundred forty-two".

Divisors: 1 2 3779 6949 7558 13898 26260271 52520542