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23986417 = 7131913873
BaseRepresentation
bin101101110000…
…0000011110001
31200010122011211
41123200003301
522120031132
62214040121
7410611150
oct133400361
950118154
1023986417
11125a3394
128049041
134c7aa60
143285597
15218c147
hex16e00f1

23986417 has 16 divisors (see below), whose sum is σ = 31077760. Its totient is φ = 17978112.

The previous prime is 23986411. The next prime is 23986423. The reversal of 23986417 is 71468932.

It is an interprime number because it is at equal distance from previous prime (23986411) and next prime (23986423).

It is a cyclic number.

It is not a de Polignac number, because 23986417 - 27 = 23986289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23986417.

It is not an unprimeable number, because it can be changed into a prime (23986411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5208 + ... + 8665.

It is an arithmetic number, because the mean of its divisors is an integer number (1942360).

Almost surely, 223986417 is an apocalyptic number.

It is an amenable number.

23986417 is a deficient number, since it is larger than the sum of its proper divisors (7091343).

23986417 is a wasteful number, since it uses less digits than its factorization.

23986417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13912.

The product of its digits is 72576, while the sum is 40.

The square root of 23986417 is about 4897.5929802302. The cubic root of 23986417 is about 288.3954869148.

The spelling of 23986417 in words is "twenty-three million, nine hundred eighty-six thousand, four hundred seventeen".

Divisors: 1 7 13 19 91 133 247 1729 13873 97111 180349 263587 1262443 1845109 3426631 23986417