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22400983 = 1112291657
BaseRepresentation
bin101010101110…
…0111111010111
31120011002101001
41111130333113
521213312413
62120044131
7361255663
oct125347727
946132331
1022400983
1111710210
127603647
134844227
142d918a3
151e774dd
hex155cfd7

22400983 has 8 divisors (see below), whose sum is σ = 24472080. Its totient is φ = 20335680.

The previous prime is 22400971. The next prime is 22401017. The reversal of 22400983 is 38900422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22400983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22400923) 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, 12691 + ... + 14347.

It is an arithmetic number, because the mean of its divisors is an integer number (3059010).

Almost surely, 222400983 is an apocalyptic number.

22400983 is a deficient number, since it is larger than the sum of its proper divisors (2071097).

22400983 is a wasteful number, since it uses less digits than its factorization.

22400983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2897.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 22400983 is about 4732.9676736694. The cubic root of 22400983 is about 281.8960727310.

The spelling of 22400983 in words is "twenty-two million, four hundred thousand, nine hundred eighty-three".

Divisors: 1 11 1229 1657 13519 18227 2036453 22400983