Base | Representation |
---|---|
bin | 1000100110011… |
… | …10110010000101 |
3 | 12000202121101202 |
4 | 10103032302011 |
5 | 121432301044 |
6 | 11054232245 |
7 | 1534160201 |
oct | 423166205 |
9 | 160677352 |
10 | 72150149 |
11 | 377aa525 |
12 | 201b5685 |
13 | 11c423c6 |
14 | 9821b01 |
15 | 6502c4e |
hex | 44cec85 |
72150149 has 8 divisors (see below), whose sum is σ = 75427200. Its totient is φ = 68884816.
The previous prime is 72150137. The next prime is 72150167. The reversal of 72150149 is 94105127.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 72150149 - 28 = 72149893 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 (72150109) 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, 11159 + ... + 16395.
It is an arithmetic number, because the mean of its divisors is an integer number (9428400).
Almost surely, 272150149 is an apocalyptic number.
It is an amenable number.
72150149 is a deficient number, since it is larger than the sum of its proper divisors (3277051).
72150149 is a wasteful number, since it uses less digits than its factorization.
72150149 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5859.
The product of its (nonzero) digits is 2520, while the sum is 29.
The square root of 72150149 is about 8494.1243810060. The cubic root of 72150149 is about 416.3057513243.
The spelling of 72150149 in words is "seventy-two million, one hundred fifty thousand, one hundred forty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.082 sec. • engine limits •