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23071146 = 237549313
BaseRepresentation
bin101100000000…
…0100110101010
31121102010122220
41120000212222
521401234041
62142254510
7400046550
oct130004652
947363586
1023071146
111202876a
127887436
134a1a287
1430c7bd0
15205ad66
hex16009aa

23071146 has 16 divisors (see below), whose sum is σ = 52734144. Its totient is φ = 6591744.

The previous prime is 23071141. The next prime is 23071157. The reversal of 23071146 is 64117032.

It is not an unprimeable number, because it can be changed into a prime (23071141) 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, 274615 + ... + 274698.

It is an arithmetic number, because the mean of its divisors is an integer number (3295884).

Almost surely, 223071146 is an apocalyptic number.

23071146 is an abundant number, since it is smaller than the sum of its proper divisors (29662998).

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

23071146 is a wasteful number, since it uses less digits than its factorization.

23071146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549325.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 23071146 is about 4803.2432792854. The cubic root of 23071146 is about 284.6796276887.

Adding to 23071146 its reverse (64117032), we get a palindrome (87188178).

The spelling of 23071146 in words is "twenty-three million, seventy-one thousand, one hundred forty-six".

Divisors: 1 2 3 6 7 14 21 42 549313 1098626 1647939 3295878 3845191 7690382 11535573 23071146