Search a number
-
+
149814833 = 721402119
BaseRepresentation
bin10001110110111…
…11111000110001
3101102220101022112
420323133320301
5301323033313
622511015105
73466255640
oct1073377061
9342811275
10149814833
1177626113
124220a495
132506583c
1415c7b357
15d2448a8
hex8edfe31

149814833 has 4 divisors (see below), whose sum is σ = 171216960. Its totient is φ = 128412708.

The previous prime is 149814827. The next prime is 149814871. The reversal of 149814833 is 338418941.

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.

It is a cyclic number.

It is not a de Polignac number, because 149814833 - 24 = 149814817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (149814883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10701053 + ... + 10701066.

It is an arithmetic number, because the mean of its divisors is an integer number (42804240).

Almost surely, 2149814833 is an apocalyptic number.

It is an amenable number.

149814833 is a deficient number, since it is larger than the sum of its proper divisors (21402127).

149814833 is an equidigital number, since it uses as much as digits as its factorization.

149814833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21402126.

The product of its digits is 82944, while the sum is 41.

The square root of 149814833 is about 12239.8869684323. The cubic root of 149814833 is about 531.1105620114.

The spelling of 149814833 in words is "one hundred forty-nine million, eight hundred fourteen thousand, eight hundred thirty-three".

Divisors: 1 7 21402119 149814833