Search a number
-
+
149363557 = 7127168013
BaseRepresentation
bin10001110011100…
…01101101100101
3101102001110021121
420321301231211
5301214113212
622453213541
73462366160
oct1071615545
9342043247
10149363557
1177348062
12420312b1
1324c38305
1415ba0ad7
15d1a5d07
hex8e71b65

149363557 has 8 divisors (see below), whose sum is σ = 172046336. Its totient is φ = 127017072.

The previous prime is 149363551. The next prime is 149363567. The reversal of 149363557 is 755363941.

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

It is not a de Polignac number, because 149363557 - 27 = 149363429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149363551) 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, 83118 + ... + 84895.

It is an arithmetic number, because the mean of its divisors is an integer number (21505792).

Almost surely, 2149363557 is an apocalyptic number.

It is an amenable number.

149363557 is a deficient number, since it is larger than the sum of its proper divisors (22682779).

149363557 is a wasteful number, since it uses less digits than its factorization.

149363557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168147.

The product of its digits is 340200, while the sum is 43.

The square root of 149363557 is about 12221.4384177968. The cubic root of 149363557 is about 530.5767508107.

The spelling of 149363557 in words is "one hundred forty-nine million, three hundred sixty-three thousand, five hundred fifty-seven".

Divisors: 1 7 127 889 168013 1176091 21337651 149363557