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50981298 = 2331274093
BaseRepresentation
bin1100001001111…
…0100110110010
310112221010012020
43002132212302
5101022400143
65020412310
71156222344
oct302364662
9115833166
1050981298
1126861005
12150a7096
13a73cc64
146ab1294
154720883
hex309e9b2

50981298 has 16 divisors (see below), whose sum is σ = 105252096. Its totient is φ = 16445520.

The previous prime is 50981291. The next prime is 50981303. The reversal of 50981298 is 89218905.

It is a happy number.

50981298 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (50981291) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 136861 + ... + 137232.

It is an arithmetic number, because the mean of its divisors is an integer number (6578256).

Almost surely, 250981298 is an apocalyptic number.

50981298 is an abundant number, since it is smaller than the sum of its proper divisors (54270798).

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

50981298 is a wasteful number, since it uses less digits than its factorization.

50981298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274129.

The product of its (nonzero) digits is 51840, while the sum is 42.

The square root of 50981298 is about 7140.1189065729. The cubic root of 50981298 is about 370.7976412842.

The spelling of 50981298 in words is "fifty million, nine hundred eighty-one thousand, two hundred ninety-eight".

Divisors: 1 2 3 6 31 62 93 186 274093 548186 822279 1644558 8496883 16993766 25490649 50981298