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23016709 = 71324179
BaseRepresentation
bin101011111001…
…1010100000101
31121022100222201
41113303110011
521343013314
62141154501
7366432052
oct127632405
947270881
1023016709
1111aa0881
12785ba31
1349cb571
1430b2029
152049b74
hex15f3505

23016709 has 4 divisors (see below), whose sum is σ = 23340960. Its totient is φ = 22692460.

The previous prime is 23016661. The next prime is 23016713. The reversal of 23016709 is 90761032.

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 23016709 - 221 = 20919557 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23016769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162019 + ... + 162160.

It is an arithmetic number, because the mean of its divisors is an integer number (5835240).

Almost surely, 223016709 is an apocalyptic number.

It is an amenable number.

23016709 is a deficient number, since it is larger than the sum of its proper divisors (324251).

23016709 is an equidigital number, since it uses as much as digits as its factorization.

23016709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324250.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 23016709 is about 4797.5732407124. The cubic root of 23016709 is about 284.4555482330.

The spelling of 23016709 in words is "twenty-three million, sixteen thousand, seven hundred nine".

Divisors: 1 71 324179 23016709