Search a number
-
+
300020123 = 133136559
BaseRepresentation
bin10001111000011…
…111000110011011
3202220112121020102
4101320133012123
51103301120443
645434250015
710302062144
oct2170370633
9686477212
10300020123
11144398617
128458690b
134a207000
142bbbaacb
151b514cb8
hex11e1f19b

300020123 has 8 divisors (see below), whose sum is σ = 325012800. Its totient is φ = 276939624.

The previous prime is 300020113. The next prime is 300020153. The reversal of 300020123 is 321020003.

It is not a de Polignac number, because 300020123 - 24 = 300020107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (300020113) 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, 66083 + ... + 70476.

It is an arithmetic number, because the mean of its divisors is an integer number (40626600).

Almost surely, 2300020123 is an apocalyptic number.

300020123 is a deficient number, since it is larger than the sum of its proper divisors (24992677).

300020123 is an equidigital number, since it uses as much as digits as its factorization.

300020123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136598 (or 136572 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 300020123 is about 17321.0889669212. The cubic root of 300020123 is about 669.4479175245.

Adding to 300020123 its reverse (321020003), we get a palindrome (621040126).

The spelling of 300020123 in words is "three hundred million, twenty thousand, one hundred twenty-three".

Divisors: 1 13 169 2197 136559 1775267 23078471 300020123