Search a number
-
+
149038089 = 349679363
BaseRepresentation
bin10001110001000…
…10010000001001
3101101102220211020
420320202100021
5301123204324
622442223053
73456542244
oct1070422011
9341386736
10149038089
1177145582
1241ab4a89
1324b53125
1415b1825b
15d13e679
hex8e22409

149038089 has 4 divisors (see below), whose sum is σ = 198717456. Its totient is φ = 99358724.

The previous prime is 149038079. The next prime is 149038103. The reversal of 149038089 is 980830941.

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 149038089 - 213 = 149029897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149038089.

It is not an unprimeable number, because it can be changed into a prime (149038039) 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, 24839679 + ... + 24839684.

It is an arithmetic number, because the mean of its divisors is an integer number (49679364).

Almost surely, 2149038089 is an apocalyptic number.

It is an amenable number.

149038089 is a deficient number, since it is larger than the sum of its proper divisors (49679367).

149038089 is an equidigital number, since it uses as much as digits as its factorization.

149038089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49679366.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 149038089 is about 12208.1157022695. The cubic root of 149038089 is about 530.1910892773.

The spelling of 149038089 in words is "one hundred forty-nine million, thirty-eight thousand, eighty-nine".

Divisors: 1 3 49679363 149038089