Base | Representation |
---|---|
bin | 10010000000111… |
… | …10110101011100 |
3 | 101112100202101010 |
4 | 21000132311130 |
5 | 302141334434 |
6 | 22555015220 |
7 | 3513336501 |
oct | 1100366534 |
9 | 345322333 |
10 | 151121244 |
11 | 7833869a |
12 | 4273a510 |
13 | 25402371 |
14 | 160db4a8 |
15 | d4019e9 |
hex | 901ed5c |
151121244 has 48 divisors (see below), whose sum is σ = 363426336. Its totient is φ = 48844800.
The previous prime is 151121239. The next prime is 151121251. The reversal of 151121244 is 442121151.
It is a self number, because there is not a number n which added to its sum of digits gives 151121244.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 88204 + ... + 89900.
It is an arithmetic number, because the mean of its divisors is an integer number (7571382).
Almost surely, 2151121244 is an apocalyptic number.
It is an amenable number.
151121244 is an abundant number, since it is smaller than the sum of its proper divisors (212305092).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
151121244 is a wasteful number, since it uses less digits than its factorization.
151121244 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1926 (or 1924 counting only the distinct ones).
The product of its digits is 320, while the sum is 21.
The square root of 151121244 is about 12293.1380859405. The cubic root of 151121244 is about 532.6498879341.
Adding to 151121244 its reverse (442121151), we get a palindrome (593242395).
The spelling of 151121244 in words is "one hundred fifty-one million, one hundred twenty-one thousand, two hundred forty-four".
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