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23056069 = 371394483
BaseRepresentation
bin101011111110…
…0111011000101
31121101100222111
41113330323011
521400243234
62142101021
7366654601
oct127747305
947340874
1023056069
1112018403
12787a771
134a1345a
1430c2501
152056664
hex15fcec5

23056069 has 8 divisors (see below), whose sum is σ = 23854880. Its totient is φ = 22266576.

The previous prime is 23056021. The next prime is 23056081. The reversal of 23056069 is 96065032.

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 23056069 - 211 = 23054021 is a prime.

It is a super-2 number, since 2×230560692 = 1063164635465522, which contains 22 as substring.

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 23056069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23056169) 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, 2902 + ... + 7384.

It is an arithmetic number, because the mean of its divisors is an integer number (2981860).

Almost surely, 223056069 is an apocalyptic number.

It is an amenable number.

23056069 is a deficient number, since it is larger than the sum of its proper divisors (798811).

23056069 is a wasteful number, since it uses less digits than its factorization.

23056069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4659.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 23056069 is about 4801.6735624155. The cubic root of 23056069 is about 284.6176014380.

The spelling of 23056069 in words is "twenty-three million, fifty-six thousand, sixty-nine".

Divisors: 1 37 139 4483 5143 165871 623137 23056069