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50220455 = 510044091
BaseRepresentation
bin1011111110010…
…0110110100111
310111111110111212
42333210312213
5100324023310
64552222035
71146603215
oct277446647
9114443455
1050220455
112639140a
121499a91b
13a53485c
146953cb5
154620205
hex2fe4da7

50220455 has 4 divisors (see below), whose sum is σ = 60264552. Its totient is φ = 40176360.

The previous prime is 50220421. The next prime is 50220461. The reversal of 50220455 is 55402205.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 50220455 - 224 = 33443239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50220455.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5022041 + ... + 5022050.

It is an arithmetic number, because the mean of its divisors is an integer number (15066138).

Almost surely, 250220455 is an apocalyptic number.

50220455 is a deficient number, since it is larger than the sum of its proper divisors (10044097).

50220455 is a wasteful number, since it uses less digits than its factorization.

50220455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10044096.

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 50220455 is about 7086.6391893478. The cubic root of 50220455 is about 368.9437981594.

The spelling of 50220455 in words is "fifty million, two hundred twenty thousand, four hundred fifty-five".

Divisors: 1 5 10044091 50220455