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505090374 = 2384181729
BaseRepresentation
bin11110000110110…
…001000101000110
31022012102020201220
4132012301011012
52013300342444
6122041501210
715342124455
oct3606610506
91265366656
10505090374
1123a123968
121211a1806
1380848059
144b11cb9c
152e521619
hex1e1b1146

505090374 has 8 divisors (see below), whose sum is σ = 1010180760. Its totient is φ = 168363456.

The previous prime is 505090363. The next prime is 505090381. The reversal of 505090374 is 473090505.

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

505090374 is an admirable number.

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, 42090859 + ... + 42090870.

It is an arithmetic number, because the mean of its divisors is an integer number (126272595).

Almost surely, 2505090374 is an apocalyptic number.

505090374 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

505090374 is a wasteful number, since it uses less digits than its factorization.

505090374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84181734.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 505090374 is about 22474.2157593986. The cubic root of 505090374 is about 796.3849251068.

The spelling of 505090374 in words is "five hundred five million, ninety thousand, three hundred seventy-four".

Divisors: 1 2 3 6 84181729 168363458 252545187 505090374