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47980822 = 223990411
BaseRepresentation
bin1011011100001…
…0000100010110
310100021200022111
42313002010112
544240341242
64432221234
71121554531
oct267020426
9110250274
1047980822
11250a177a
121409a81a
139c2c326
14652da18
15432b817
hex2dc2116

47980822 has 4 divisors (see below), whose sum is σ = 71971236. Its totient is φ = 23990410.

The previous prime is 47980813. The next prime is 47980837. The reversal of 47980822 is 22808974.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11995204 + ... + 11995207.

It is an arithmetic number, because the mean of its divisors is an integer number (17992809).

Almost surely, 247980822 is an apocalyptic number.

47980822 is a deficient number, since it is larger than the sum of its proper divisors (23990414).

47980822 is a wasteful number, since it uses less digits than its factorization.

47980822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23990413.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 47980822 is about 6926.8190390684. The cubic root of 47980822 is about 363.3757110929.

The spelling of 47980822 in words is "forty-seven million, nine hundred eighty thousand, eight hundred twenty-two".

Divisors: 1 2 23990411 47980822