Search a number
-
+
149792099 = 1391077641
BaseRepresentation
bin10001110110110…
…10010101100011
3101102212020010112
420323122111203
5301321321344
622510321535
73466132442
oct1073322543
9342766115
10149792099
1177610026
12421b92ab
13250583a2
1415c72d59
15d23cc9e
hex8eda563

149792099 has 4 divisors (see below), whose sum is σ = 150869880. Its totient is φ = 148714320.

The previous prime is 149792053. The next prime is 149792107. The reversal of 149792099 is 990297941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 990297941 = 2371417671.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-149792099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149792039) 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, 538682 + ... + 538959.

It is an arithmetic number, because the mean of its divisors is an integer number (37717470).

Almost surely, 2149792099 is an apocalyptic number.

149792099 is a deficient number, since it is larger than the sum of its proper divisors (1077781).

149792099 is a wasteful number, since it uses less digits than its factorization.

149792099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077780.

The product of its (nonzero) digits is 367416, while the sum is 50.

The square root of 149792099 is about 12238.9582481517. The cubic root of 149792099 is about 531.0836957835.

The spelling of 149792099 in words is "one hundred forty-nine million, seven hundred ninety-two thousand, ninety-nine".

Divisors: 1 139 1077641 149792099