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50912490 = 2351697083
BaseRepresentation
bin1100001000110…
…1110011101010
310112210121210210
43002031303222
5101013144430
65015121550
71155514626
oct302156352
9115717723
1050912490
1126814342
12150732b6
13a717845
146a94186
15470a2b0
hex308dcea

50912490 has 16 divisors (see below), whose sum is σ = 122190048. Its totient is φ = 13576656.

The previous prime is 50912479. The next prime is 50912507. The reversal of 50912490 is 9421905.

It is a happy number.

50912490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1697083 = 50912490 / (5 + 0 + 9 + 1 + 2 + 4 + 9 + 0).

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 7 ways as a sum of consecutive naturals, for example, 848512 + ... + 848571.

It is an arithmetic number, because the mean of its divisors is an integer number (7636878).

Almost surely, 250912490 is an apocalyptic number.

50912490 is an abundant number, since it is smaller than the sum of its proper divisors (71277558).

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

50912490 is a wasteful number, since it uses less digits than its factorization.

50912490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697093.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 50912490 is about 7135.2988725070. The cubic root of 50912490 is about 370.6307478536.

The spelling of 50912490 in words is "fifty million, nine hundred twelve thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 1697083 3394166 5091249 8485415 10182498 16970830 25456245 50912490