Base | Representation |
---|---|
bin | 10010001010111… |
… | …00001011001101 |
3 | 101121210210101210 |
4 | 21011130023031 |
5 | 303004433234 |
6 | 23042525033 |
7 | 3530362203 |
oct | 1105341315 |
9 | 347723353 |
10 | 152421069 |
11 | 79046229 |
12 | 43066779 |
13 | 25768ba8 |
14 | 16359073 |
15 | d5abbe9 |
hex | 915c2cd |
152421069 has 8 divisors (see below), whose sum is σ = 212064192. Its totient is φ = 97196000.
The previous prime is 152421053. The next prime is 152421077. The reversal of 152421069 is 960124251.
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 152421069 - 24 = 152421053 is a prime.
It is a super-2 number, since 2×1524210692 = 46464364550205522, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (152421089) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1104432 + ... + 1104569.
It is an arithmetic number, because the mean of its divisors is an integer number (26508024).
Almost surely, 2152421069 is an apocalyptic number.
It is an amenable number.
152421069 is a deficient number, since it is larger than the sum of its proper divisors (59643123).
152421069 is a wasteful number, since it uses less digits than its factorization.
152421069 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2209027.
The product of its (nonzero) digits is 4320, while the sum is 30.
The square root of 152421069 is about 12345.8927988218. The cubic root of 152421069 is about 534.1726741725.
The spelling of 152421069 in words is "one hundred fifty-two million, four hundred twenty-one thousand, sixty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •