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23119001 = 101228901
BaseRepresentation
bin101100000110…
…0010010011001
31121111120022022
41120030102121
521404302001
62143304225
7400336223
oct130142231
947446268
1023119001
1112060714
1278ab075
134a35ca9
1430db413
15206a11b
hex160c499

23119001 has 4 divisors (see below), whose sum is σ = 23348004. Its totient is φ = 22890000.

The previous prime is 23118983. The next prime is 23119013. The reversal of 23119001 is 10091132.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21855625 + 1263376 = 4675^2 + 1124^2 .

It is a cyclic number.

It is not a de Polignac number, because 23119001 - 26 = 23118937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23119051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114350 + ... + 114551.

It is an arithmetic number, because the mean of its divisors is an integer number (5837001).

Almost surely, 223119001 is an apocalyptic number.

It is an amenable number.

23119001 is a deficient number, since it is larger than the sum of its proper divisors (229003).

23119001 is a wasteful number, since it uses less digits than its factorization.

23119001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229002.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 23119001 is about 4808.2222286413. Note that the first 5 decimals coincide. The cubic root of 23119001 is about 284.8763226582.

The spelling of 23119001 in words is "twenty-three million, one hundred nineteen thousand, one".

Divisors: 1 101 228901 23119001