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52576890 = 2351752563
BaseRepresentation
bin1100100010010…
…0001001111010
310122221011221020
43020210021322
5101424430030
65114523310
71205616252
oct310441172
9118834836
1052576890
1127750883
1215736536
13ab7b2b2
146da8962
154938510
hex322427a

52576890 has 16 divisors (see below), whose sum is σ = 126184608. Its totient is φ = 14020496.

The previous prime is 52576877. The next prime is 52576897. The reversal of 52576890 is 9867525.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52576897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 876252 + ... + 876311.

It is an arithmetic number, because the mean of its divisors is an integer number (7886538).

Almost surely, 252576890 is an apocalyptic number.

52576890 is an abundant number, since it is smaller than the sum of its proper divisors (73607718).

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

52576890 is a wasteful number, since it uses less digits than its factorization.

52576890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752573.

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 52576890 is about 7250.9923458793. The cubic root of 52576890 is about 374.6263300012.

The spelling of 52576890 in words is "fifty-two million, five hundred seventy-six thousand, eight hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 1752563 3505126 5257689 8762815 10515378 17525630 26288445 52576890