Base | Representation |
---|---|
bin | 10001110100111… |
… | …01010110011101 |
3 | 101102101112110202 |
4 | 20322131112131 |
5 | 301240323201 |
6 | 22501113245 |
7 | 3464042246 |
oct | 1072352635 |
9 | 342345422 |
10 | 149542301 |
11 | 7745a387 |
12 | 420b8825 |
13 | 24c9b78c |
14 | 15c09ccd |
15 | d1ddc6b |
hex | 8e9d59d |
149542301 has 4 divisors (see below), whose sum is σ = 150994272. Its totient is φ = 148090332.
The previous prime is 149542291. The next prime is 149542307. The reversal of 149542301 is 103245941.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 103245941 = 83 ⋅1243927.
It is a cyclic number.
It is not a de Polignac number, because 149542301 - 222 = 145347997 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 (149542307) 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, 725831 + ... + 726036.
It is an arithmetic number, because the mean of its divisors is an integer number (37748568).
Almost surely, 2149542301 is an apocalyptic number.
It is an amenable number.
149542301 is a deficient number, since it is larger than the sum of its proper divisors (1451971).
149542301 is a wasteful number, since it uses less digits than its factorization.
149542301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1451970.
The product of its (nonzero) digits is 4320, while the sum is 29.
The square root of 149542301 is about 12228.7489548195. The cubic root of 149542301 is about 530.7883142536.
The spelling of 149542301 in words is "one hundred forty-nine million, five hundred forty-two thousand, three hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •