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942272081 = 37157162209
BaseRepresentation
bin111000001010011…
…110111001010001
32102200001101021222
4320022132321101
53412210201311
6233300054425
732231115632
oct7012367121
92380041258
10942272081
11443984a63
12223694415
131202a745a
148d201889
1557acbadb
hex3829ee51

942272081 has 8 divisors (see below), whose sum is σ = 973908840. Its totient is φ = 910960128.

The previous prime is 942272069. The next prime is 942272099. The reversal of 942272081 is 180272249.

942272081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 474847681 + 467424400 = 21791^2 + 21620^2 .

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

It is a de Polignac number, because none of the positive numbers 2k-942272081 is a prime.

It is a super-2 number, since 2×9422720812 = 1775753349264141122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (942272041) 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, 75296 + ... + 86913.

It is an arithmetic number, because the mean of its divisors is an integer number (121738605).

Almost surely, 2942272081 is an apocalyptic number.

It is an amenable number.

942272081 is a deficient number, since it is larger than the sum of its proper divisors (31636759).

942272081 is a wasteful number, since it uses less digits than its factorization.

942272081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162403.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 942272081 is about 30696.4506254388. The cubic root of 942272081 is about 980.3747286228.

The spelling of 942272081 in words is "nine hundred forty-two million, two hundred seventy-two thousand, eighty-one".

Divisors: 1 37 157 5809 162209 6001733 25466813 942272081