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23071001 = 231003087
BaseRepresentation
bin101100000000…
…0100100011001
31121102010110112
41120000210121
521401233001
62142254105
7400046252
oct130004431
947363415
1023071001
1112028648
127887335
134a1a1a5
1430c7b29
15205acbb
hex1600919

23071001 has 4 divisors (see below), whose sum is σ = 24074112. Its totient is φ = 22067892.

The previous prime is 23070991. The next prime is 23071033. The reversal of 23071001 is 10017032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23071001 - 214 = 23054617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23071051) 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, 501521 + ... + 501566.

It is an arithmetic number, because the mean of its divisors is an integer number (6018528).

Almost surely, 223071001 is an apocalyptic number.

It is an amenable number.

23071001 is a deficient number, since it is larger than the sum of its proper divisors (1003111).

23071001 is a wasteful number, since it uses less digits than its factorization.

23071001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003110.

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 23071001 is about 4803.2281852937. The cubic root of 23071001 is about 284.6790312924.

Adding to 23071001 its reverse (10017032), we get a palindrome (33088033).

The spelling of 23071001 in words is "twenty-three million, seventy-one thousand, one".

Divisors: 1 23 1003087 23071001