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23071007 = 109721031
BaseRepresentation
bin101100000000…
…0100100011111
31121102010110202
41120000210133
521401233012
62142254115
7400046261
oct130004437
947363422
1023071007
1112028653
12788733b
134a1a1ab
1430c7b31
15205acc2
hex160091f

23071007 has 4 divisors (see below), whose sum is σ = 23093136. Its totient is φ = 23048880.

The previous prime is 23070991. The next prime is 23071033. The reversal of 23071007 is 70017032.

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

It is a cyclic number.

It is not a de Polignac number, because 23071007 - 24 = 23070991 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23071007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23070007) 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, 9419 + ... + 11612.

It is an arithmetic number, because the mean of its divisors is an integer number (5773284).

Almost surely, 223071007 is an apocalyptic number.

23071007 is a deficient number, since it is larger than the sum of its proper divisors (22129).

23071007 is a wasteful number, since it uses less digits than its factorization.

23071007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22128.

The product of its (nonzero) digits is 294, while the sum is 20.

The square root of 23071007 is about 4803.2288098736. The cubic root of 23071007 is about 284.6790559710.

Adding to 23071007 its reverse (70017032), we get a palindrome (93088039).

The spelling of 23071007 in words is "twenty-three million, seventy-one thousand, seven".

Divisors: 1 1097 21031 23071007