[go: up one dir, main page]

Search a number
-
+
23037869 is a prime number
BaseRepresentation
bin101011111100…
…0011110101101
31121100110000102
41113320132231
521344202434
62141440445
7366550541
oct127703655
947313012
1023037869
1112005768
127870125
134a0809a
1430b9a21
15205107e
hex15f87ad

23037869 has 2 divisors, whose sum is σ = 23037870. Its totient is φ = 23037868.

The previous prime is 23037863. The next prime is 23037887. The reversal of 23037869 is 96873032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22915369 + 122500 = 4787^2 + 350^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23037869 is a prime.

It is a super-2 number, since 2×230378692 = 1061486816122322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23037863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11518934 + 11518935.

It is an arithmetic number, because the mean of its divisors is an integer number (11518935).

Almost surely, 223037869 is an apocalyptic number.

It is an amenable number.

23037869 is a deficient number, since it is larger than the sum of its proper divisors (1).

23037869 is an equidigital number, since it uses as much as digits as its factorization.

23037869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 23037869 is about 4799.7780157003. The cubic root of 23037869 is about 284.5426912419.

The spelling of 23037869 in words is "twenty-three million, thirty-seven thousand, eight hundred sixty-nine".