Search a number
-
+
23120210 = 252312021
BaseRepresentation
bin101100000110…
…0100101010010
31121111121222002
41120030211102
521404321320
62143314002
7400342601
oct130144522
947447862
1023120210
1112061613
1278ab902
134a366c9
1430dba38
15206a675
hex160c952

23120210 has 8 divisors (see below), whose sum is σ = 41616396. Its totient is φ = 9248080.

The previous prime is 23120191. The next prime is 23120249. The reversal of 23120210 is 1202132.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22118209 + 1002001 = 4703^2 + 1001^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×231202102 = 1069088220888200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23120191 and 23120200.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1156001 + ... + 1156020.

Almost surely, 223120210 is an apocalyptic number.

23120210 is a deficient number, since it is larger than the sum of its proper divisors (18496186).

23120210 is a wasteful number, since it uses less digits than its factorization.

23120210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2312028.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 23120210 is about 4808.3479491401. The cubic root of 23120210 is about 284.8812884072.

Adding to 23120210 its reverse (1202132), we get a palindrome (24322342).

The spelling of 23120210 in words is "twenty-three million, one hundred twenty thousand, two hundred ten".

Divisors: 1 2 5 10 2312021 4624042 11560105 23120210