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2223400542 = 231133687887
BaseRepresentation
bin1000010010000110…
…0110011001011110
312201221201110011020
42010201212121132
514023142304132
61004343105010
7106045410216
oct20441463136
95657643136
102223400542
11a41062810
12520742166
1329583582c
1417140d246
15d02e052c
hex8486665e

2223400542 has 16 divisors (see below), whose sum is σ = 4851055872. Its totient is φ = 673757720.

The previous prime is 2223400541. The next prime is 2223400601. The reversal of 2223400542 is 2450043222.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223400541) 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, 16843878 + ... + 16844009.

It is an arithmetic number, because the mean of its divisors is an integer number (303190992).

Almost surely, 22223400542 is an apocalyptic number.

2223400542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2223400542 is an abundant number, since it is smaller than the sum of its proper divisors (2627655330).

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

2223400542 is a wasteful number, since it uses less digits than its factorization.

2223400542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33687903.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 2223400542 is about 47152.9483913785. The cubic root of 2223400542 is about 1305.1864879335.

Adding to 2223400542 its reverse (2450043222), we get a palindrome (4673443764).

The spelling of 2223400542 in words is "two billion, two hundred twenty-three million, four hundred thousand, five hundred forty-two".

Divisors: 1 2 3 6 11 22 33 66 33687887 67375774 101063661 202127322 370566757 741133514 1111700271 2223400542