Search a number
-
+
23077845 = 335724421
BaseRepresentation
bin101100000001…
…0001111010101
31121102110212000
41120002033111
521401442340
62142345513
7400105230
oct130021725
947373760
1023077845
11120327aa
12788b299
134a2033b
1430ca417
15205cd30
hex16023d5

23077845 has 32 divisors (see below), whose sum is σ = 46890240. Its totient is φ = 10549440.

The previous prime is 23077841. The next prime is 23077849. The reversal of 23077845 is 54877032.

It is an interprime number because it is at equal distance from previous prime (23077841) and next prime (23077849).

It is not a de Polignac number, because 23077845 - 22 = 23077841 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23077841) 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 31 ways as a sum of consecutive naturals, for example, 11266 + ... + 13155.

It is an arithmetic number, because the mean of its divisors is an integer number (1465320).

Almost surely, 223077845 is an apocalyptic number.

It is an amenable number.

23077845 is an abundant number, since it is smaller than the sum of its proper divisors (23812395).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23077845 is a wasteful number, since it uses less digits than its factorization.

23077845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24442 (or 24436 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 23077845 is about 4803.9405699904. The cubic root of 23077845 is about 284.7071784697.

The spelling of 23077845 in words is "twenty-three million, seventy-seven thousand, eight hundred forty-five".

Divisors: 1 3 5 7 9 15 21 27 35 45 63 105 135 189 315 945 24421 73263 122105 170947 219789 366315 512841 659367 854735 1098945 1538523 2564205 3296835 4615569 7692615 23077845