Base | Representation |
---|---|
bin | 10010001001111… |
… | …11111110001001 |
3 | 101121120220221010 |
4 | 21010333332021 |
5 | 302442234140 |
6 | 23040234133 |
7 | 3526401330 |
oct | 1104777611 |
9 | 347526833 |
10 | 152305545 |
11 | 78a77457 |
12 | 4300b949 |
13 | 25728432 |
14 | 16328d17 |
15 | d587880 |
hex | 913ff89 |
152305545 has 32 divisors (see below), whose sum is σ = 279659520. Its totient is φ = 69336000.
The previous prime is 152305541. The next prime is 152305547. The reversal of 152305545 is 545503251.
It is a happy number.
It is not a de Polignac number, because 152305545 - 22 = 152305541 is a prime.
It is not an unprimeable number, because it can be changed into a prime (152305541) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23466 + ... + 29244.
It is an arithmetic number, because the mean of its divisors is an integer number (8739360).
Almost surely, 2152305545 is an apocalyptic number.
152305545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
152305545 is a deficient number, since it is larger than the sum of its proper divisors (127353975).
152305545 is a wasteful number, since it uses less digits than its factorization.
152305545 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6045.
The product of its (nonzero) digits is 15000, while the sum is 30.
The square root of 152305545 is about 12341.2132709876. The cubic root of 152305545 is about 534.0376854830.
Adding to 152305545 its reverse (545503251), we get a palindrome (697808796).
The spelling of 152305545 in words is "one hundred fifty-two million, three hundred five thousand, five hundred forty-five".
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