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23916061 = 131839697
BaseRepresentation
bin101101100111…
…0111000011101
31200000001200001
41123032320131
522110303221
62212334301
7410166061
oct133167035
950001601
1023916061
1112555544
128014391
134c54a20
143267aa1
152176391
hex16cee1d

23916061 has 4 divisors (see below), whose sum is σ = 25755772. Its totient is φ = 22076352.

The previous prime is 23916049. The next prime is 23916077. The reversal of 23916061 is 16061932.

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 16048036 + 7868025 = 4006^2 + 2805^2 .

It is a cyclic number.

It is not a de Polignac number, because 23916061 - 213 = 23907869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23916031) 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, 919836 + ... + 919861.

It is an arithmetic number, because the mean of its divisors is an integer number (6438943).

Almost surely, 223916061 is an apocalyptic number.

It is an amenable number.

23916061 is a deficient number, since it is larger than the sum of its proper divisors (1839711).

23916061 is a wasteful number, since it uses less digits than its factorization.

23916061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839710.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 23916061 is about 4890.4049934540. The cubic root of 23916061 is about 288.1132407370.

Adding to 23916061 its reverse (16061932), we get a palindrome (39977993).

The spelling of 23916061 in words is "twenty-three million, nine hundred sixteen thousand, sixty-one".

Divisors: 1 13 1839697 23916061