Search a number
-
+
149199395 = 5171755287
BaseRepresentation
bin10001110010010…
…01101000100011
3101101202010002112
420321021220203
5301143340040
622445505535
73461113442
oct1071115043
9341663075
10149199395
1177245794
1241b722ab
1324bab687
1415b5ad59
15d172365
hex8e49a23

149199395 has 8 divisors (see below), whose sum is σ = 189571104. Its totient is φ = 112338304.

The previous prime is 149199383. The next prime is 149199431. The reversal of 149199395 is 593991941.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 149199395 - 28 = 149199139 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 877559 + ... + 877728.

It is an arithmetic number, because the mean of its divisors is an integer number (23696388).

Almost surely, 2149199395 is an apocalyptic number.

149199395 is a deficient number, since it is larger than the sum of its proper divisors (40371709).

149199395 is a wasteful number, since it uses less digits than its factorization.

149199395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755309.

The product of its digits is 393660, while the sum is 50.

The square root of 149199395 is about 12214.7204225066. The cubic root of 149199395 is about 530.3822980453.

The spelling of 149199395 in words is "one hundred forty-nine million, one hundred ninety-nine thousand, three hundred ninety-five".

Divisors: 1 5 17 85 1755287 8776435 29839879 149199395