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2236746040 = 23555918651
BaseRepresentation
bin1000010101010010…
…0000100100111000
312202212211110201221
42011110200210320
514040101333130
61005541121424
7106300012324
oct20524404470
95685743657
102236746040
11a48648451
125250b9274
13298529089
141730c4984
15d157987a
hex85520938

2236746040 has 16 divisors (see below), whose sum is σ = 5032678680. Its totient is φ = 894698400.

The previous prime is 2236746019. The next prime is 2236746041. The reversal of 2236746040 is 406476322.

It is a junction number, because it is equal to n+sod(n) for n = 2236745987 and 2236746005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2236746041) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 27959286 + ... + 27959365.

Almost surely, 22236746040 is an apocalyptic number.

2236746040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2236746040 is an abundant number, since it is smaller than the sum of its proper divisors (2795932640).

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

2236746040 is a wasteful number, since it uses less digits than its factorization.

2236746040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55918662 (or 55918658 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 34.

The square root of 2236746040 is about 47294.2495447385. The cubic root of 2236746040 is about 1307.7926504388.

The spelling of 2236746040 in words is "two billion, two hundred thirty-six million, seven hundred forty-six thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 55918651 111837302 223674604 279593255 447349208 559186510 1118373020 2236746040