Search a number
-
+
23655130 = 2519911887
BaseRepresentation
bin101101000111…
…1001011011010
31122111210201221
41122033023122
522023431010
62203002254
7405031252
oct132171332
948453657
1023655130
11123974a4
127b0938a
134b93025
1431da962
152123dda
hex168f2da

23655130 has 16 divisors (see below), whose sum is σ = 42796800. Its totient is φ = 9413712.

The previous prime is 23655103. The next prime is 23655131. The reversal of 23655130 is 3155632.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23655095 and 23655104.

It is not an unprimeable number, because it can be changed into a prime (23655131) 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, 3954 + ... + 7933.

It is an arithmetic number, because the mean of its divisors is an integer number (2674800).

Almost surely, 223655130 is an apocalyptic number.

23655130 is a deficient number, since it is larger than the sum of its proper divisors (19141670).

23655130 is a wasteful number, since it uses less digits than its factorization.

23655130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12093.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 23655130 is about 4863.6539761788. The cubic root of 23655130 is about 287.0616078533.

The spelling of 23655130 in words is "twenty-three million, six hundred fifty-five thousand, one hundred thirty".

Divisors: 1 2 5 10 199 398 995 1990 11887 23774 59435 118870 2365513 4731026 11827565 23655130