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23070761 = 717319051
BaseRepresentation
bin101100000000…
…0100000101001
31121102010010122
41120000200221
521401231021
62142253025
7400045460
oct130004051
947363118
1023070761
111202844a
127887175
134a1a04c
1430c79d7
15205abab
hex1600829

23070761 has 8 divisors (see below), whose sum is σ = 26520384. Its totient is φ = 19659600.

The previous prime is 23070709. The next prime is 23070779. The reversal of 23070761 is 16707032.

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

It is a cyclic number.

It is not a de Polignac number, because 23070761 - 214 = 23054377 is a prime.

It is an alternating number because its digits alternate between even and odd.

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 23070761.

It is not an unprimeable number, because it can be changed into a prime (23072761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8315 + ... + 10736.

It is an arithmetic number, because the mean of its divisors is an integer number (3315048).

Almost surely, 223070761 is an apocalyptic number.

It is an amenable number.

23070761 is a deficient number, since it is larger than the sum of its proper divisors (3449623).

23070761 is a wasteful number, since it uses less digits than its factorization.

23070761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19231.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 23070761 is about 4803.2032020309. The cubic root of 23070761 is about 284.6780441484.

Adding to 23070761 its reverse (16707032), we get a palindrome (39777793).

The spelling of 23070761 in words is "twenty-three million, seventy thousand, seven hundred sixty-one".

Divisors: 1 7 173 1211 19051 133357 3295823 23070761