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149427 = 3216603
BaseRepresentation
bin100100011110110011
321120222100
4210132303
514240202
63111443
71161435
oct443663
9246870
10149427
11a22a3
1272583
1353025
143c655
152e41c
hex247b3

149427 has 6 divisors (see below), whose sum is σ = 215852. Its totient is φ = 99612.

The previous prime is 149423. The next prime is 149441. The reversal of 149427 is 724941.

It can be divided in two parts, 1494 and 27, that added together give a square (1521 = 392).

It is a happy number.

It is not a de Polignac number, because 149427 - 22 = 149423 is a prime.

It is a Duffinian number.

149427 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 149427.

It is not an unprimeable number, because it can be changed into a prime (149423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8293 + ... + 8310.

2149427 is an apocalyptic number.

149427 is a deficient number, since it is larger than the sum of its proper divisors (66425).

149427 is a wasteful number, since it uses less digits than its factorization.

149427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16609 (or 16606 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 149427 is about 386.5578869975. The cubic root of 149427 is about 53.0651861984.

The spelling of 149427 in words is "one hundred forty-nine thousand, four hundred twenty-seven".

Divisors: 1 3 9 16603 49809 149427