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23061643 = 117092957
BaseRepresentation
bin101011111111…
…0010010001011
31121101122121221
41113332102023
521400433033
62142142511
7400010053
oct127762213
947348557
1023061643
1112021610
127881a37
134a15b57
1430c4563
15205812d
hex15fe48b

23061643 has 8 divisors (see below), whose sum is σ = 25202160. Its totient is φ = 20928480.

The previous prime is 23061637. The next prime is 23061659. The reversal of 23061643 is 34616032.

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 23061643 - 29 = 23061131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23061683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6321 + ... + 9277.

It is an arithmetic number, because the mean of its divisors is an integer number (3150270).

Almost surely, 223061643 is an apocalyptic number.

23061643 is a deficient number, since it is larger than the sum of its proper divisors (2140517).

23061643 is a wasteful number, since it uses less digits than its factorization.

23061643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3677.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 23061643 is about 4802.2539499697. The cubic root of 23061643 is about 284.6405358287.

Adding to 23061643 its reverse (34616032), we get a palindrome (57677675).

The spelling of 23061643 in words is "twenty-three million, sixty-one thousand, six hundred forty-three".

Divisors: 1 11 709 2957 7799 32527 2096513 23061643