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22413861 = 33830143
BaseRepresentation
bin101010110000…
…0001000100101
31120011202001000
41111200020211
521214220421
62120223513
7361341351
oct125401045
946152030
1022413861
1111719958
12760ab99
13484a052
142d96461
151e7b226
hex1560225

22413861 has 8 divisors (see below), whose sum is σ = 33205760. Its totient is φ = 14942556.

The previous prime is 22413851. The next prime is 22413893. The reversal of 22413861 is 16831422.

It is not a de Polignac number, because 22413861 - 214 = 22397477 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 830143 = 22413861 / (2 + 2 + 4 + 1 + 3 + 8 + 6 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22413821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 415045 + ... + 415098.

It is an arithmetic number, because the mean of its divisors is an integer number (4150720).

Almost surely, 222413861 is an apocalyptic number.

It is an amenable number.

22413861 is a deficient number, since it is larger than the sum of its proper divisors (10791899).

22413861 is an equidigital number, since it uses as much as digits as its factorization.

22413861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830152 (or 830146 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 22413861 is about 4734.3279354096. The cubic root of 22413861 is about 281.9500817029.

The spelling of 22413861 in words is "twenty-two million, four hundred thirteen thousand, eight hundred sixty-one".

Divisors: 1 3 9 27 830143 2490429 7471287 22413861