Base | Representation |
---|---|
bin | 10010010111000… |
… | …00111010100001 |
3 | 101201210200120222 |
4 | 21023200322201 |
5 | 303411411340 |
6 | 23141012425 |
7 | 3550043333 |
oct | 1113407241 |
9 | 351720528 |
10 | 154013345 |
11 | 79a33562 |
12 | 436b4115 |
13 | 25ba5875 |
14 | 16651453 |
15 | d7c38b5 |
hex | 92e0ea1 |
154013345 has 16 divisors (see below), whose sum is σ = 192609360. Its totient is φ = 118078464.
The previous prime is 154013341. The next prime is 154013347. The reversal of 154013345 is 543310451.
It can be written as a sum of positive squares in 8 ways, for example, as 17497489 + 136515856 = 4183^2 + 11684^2 .
It is a cyclic number.
It is not a de Polignac number, because 154013345 - 22 = 154013341 is a prime.
It is a super-2 number, since 2×1540133452 = 47440220876178050, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (154013341) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15989 + ... + 23741.
It is an arithmetic number, because the mean of its divisors is an integer number (12038085).
Almost surely, 2154013345 is an apocalyptic number.
It is an amenable number.
154013345 is a deficient number, since it is larger than the sum of its proper divisors (38596015).
154013345 is a wasteful number, since it uses less digits than its factorization.
154013345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7924.
The product of its (nonzero) digits is 3600, while the sum is 26.
The square root of 154013345 is about 12410.2113197157. The cubic root of 154013345 is about 536.0263234733.
Adding to 154013345 its reverse (543310451), we get a palindrome (697323796).
The spelling of 154013345 in words is "one hundred fifty-four million, thirteen thousand, three hundred forty-five".
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