[go: up one dir, main page]

Search a number
-
+
122230253 = 301940487
BaseRepresentation
bin1110100100100…
…01010111101101
322111222221101102
413102101113231
5222242332003
620043452445
73012640265
oct722212755
9274887342
10122230253
1162aa5442
1234b27125
131c4280c2
141233a7a5
15aae6588
hex74915ed

122230253 has 4 divisors (see below), whose sum is σ = 122273760. Its totient is φ = 122186748.

The previous prime is 122230231. The next prime is 122230279. The reversal of 122230253 is 352032221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 352032221 = 917338377.

It is a cyclic number.

It is not a de Polignac number, because 122230253 - 26 = 122230189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122230753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17225 + ... + 23262.

It is an arithmetic number, because the mean of its divisors is an integer number (30568440).

Almost surely, 2122230253 is an apocalyptic number.

It is an amenable number.

122230253 is a deficient number, since it is larger than the sum of its proper divisors (43507).

122230253 is an equidigital number, since it uses as much as digits as its factorization.

122230253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43506.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 122230253 is about 11055.7791674762. The cubic root of 122230253 is about 496.2793867465.

Adding to 122230253 its reverse (352032221), we get a palindrome (474262474).

The spelling of 122230253 in words is "one hundred twenty-two million, two hundred thirty thousand, two hundred fifty-three".

Divisors: 1 3019 40487 122230253