Search a number
-
+
23560641 = 3213349577
BaseRepresentation
bin101100111100…
…0000111000001
31122100000010100
41121320013001
522012420031
62200553013
7404155626
oct131700701
948300110
1023560641
1112332505
127a82769
134b5c010
1431b434d
152105de6
hex16781c1

23560641 has 24 divisors (see below), whose sum is σ = 36818600. Its totient is φ = 14432256.

The previous prime is 23560637. The next prime is 23560643. The reversal of 23560641 is 14606532.

It can be written as a sum of positive squares in 4 ways, for example, as 9090225 + 14470416 = 3015^2 + 3804^2 .

It is not a de Polignac number, because 23560641 - 22 = 23560637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23560643) 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 23 ways as a sum of consecutive naturals, for example, 40545 + ... + 41121.

Almost surely, 223560641 is an apocalyptic number.

It is an amenable number.

23560641 is a deficient number, since it is larger than the sum of its proper divisors (13257959).

23560641 is a wasteful number, since it uses less digits than its factorization.

23560641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945 (or 942 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 23560641 is about 4853.9304692177. The cubic root of 23560641 is about 286.6788810071.

The spelling of 23560641 in words is "twenty-three million, five hundred sixty thousand, six hundred forty-one".

Divisors: 1 3 9 13 39 117 349 577 1047 1731 3141 4537 5193 7501 13611 22503 40833 67509 201373 604119 1812357 2617849 7853547 23560641