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34220423240 = 235855510581
BaseRepresentation
bin11111110111101100…
…100011100001001000
310021022212202121122222
4133313230203201020
51030040412020430
623415354233212
72321004540533
oct376754434110
9107285677588
1034220423240
111357059a523
126770425808
1332c4871a63
141928b79a1a
15d543de9e5
hex7f7b23848

34220423240 has 16 divisors (see below), whose sum is σ = 76995952380. Its totient is φ = 13688169280.

The previous prime is 34220423191. The next prime is 34220423249. The reversal of 34220423240 is 4232402243.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 33248604964 + 971818276 = 182342^2 + 31174^2 .

It is not an unprimeable number, because it can be changed into a prime (34220423249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 427755251 + ... + 427755330.

Almost surely, 234220423240 is an apocalyptic number.

It is an amenable number.

34220423240 is an abundant number, since it is smaller than the sum of its proper divisors (42775529140).

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

34220423240 is a wasteful number, since it uses less digits than its factorization.

34220423240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855510592 (or 855510588 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 34220423240 its reverse (4232402243), we get a palindrome (38452825483).

The spelling of 34220423240 in words is "thirty-four billion, two hundred twenty million, four hundred twenty-three thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 855510581 1711021162 3422042324 4277552905 6844084648 8555105810 17110211620 34220423240