Search a number
-
+
149332813 = 723927533
BaseRepresentation
bin10001110011010…
…10001101001101
3101101222220002221
420321222031031
5301212122223
622452415341
73462210430
oct1071521515
9341886087
10149332813
1177326a53
1242017551
1324c27316
1415b93817
15d19bb5d
hex8e6a34d

149332813 has 8 divisors (see below), whose sum is σ = 178086528. Its totient is φ = 122434224.

The previous prime is 149332789. The next prime is 149332817. The reversal of 149332813 is 318233941.

149332813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 149332813 - 221 = 147235661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149332817) 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, 463606 + ... + 463927.

It is an arithmetic number, because the mean of its divisors is an integer number (22260816).

Almost surely, 2149332813 is an apocalyptic number.

It is an amenable number.

149332813 is a deficient number, since it is larger than the sum of its proper divisors (28753715).

149332813 is an equidigital number, since it uses as much as digits as its factorization.

149332813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927563.

The product of its digits is 15552, while the sum is 34.

The square root of 149332813 is about 12220.1805633141. The cubic root of 149332813 is about 530.5403448509.

The spelling of 149332813 in words is "one hundred forty-nine million, three hundred thirty-two thousand, eight hundred thirteen".

Divisors: 1 7 23 161 927533 6492731 21333259 149332813