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50220474 = 2343194653
BaseRepresentation
bin1011111110010…
…0110110111010
310111111110112120
42333210312322
5100324023344
64552222110
71146603243
oct277446672
9114443476
1050220474
1126391427
121499a936
13a534875
146953cca
154620219
hex2fe4dba

50220474 has 16 divisors (see below), whose sum is σ = 102777312. Its totient is φ = 16350768.

The previous prime is 50220473. The next prime is 50220479. The reversal of 50220474 is 47402205.

It is not an unprimeable number, because it can be changed into a prime (50220473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97069 + ... + 97584.

It is an arithmetic number, because the mean of its divisors is an integer number (6423582).

Almost surely, 250220474 is an apocalyptic number.

50220474 is an abundant number, since it is smaller than the sum of its proper divisors (52556838).

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

50220474 is a wasteful number, since it uses less digits than its factorization.

50220474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194701.

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 50220474 is about 7086.6405298985. The cubic root of 50220474 is about 368.9438446872.

Adding to 50220474 its reverse (47402205), we get a palindrome (97622679).

The spelling of 50220474 in words is "fifty million, two hundred twenty thousand, four hundred seventy-four".

Divisors: 1 2 3 6 43 86 129 258 194653 389306 583959 1167918 8370079 16740158 25110237 50220474