Base | Representation |
---|---|
bin | 10010000011011… |
… | …00110110100111 |
3 | 101112221222201210 |
4 | 21001230312213 |
5 | 302232101212 |
6 | 23005522503 |
7 | 3516140250 |
oct | 1101546647 |
9 | 345858653 |
10 | 151440807 |
11 | 785367a1 |
12 | 42873433 |
13 | 254b495b |
14 | 16181b27 |
15 | d46653c |
hex | 906cda7 |
151440807 has 16 divisors (see below), whose sum is σ = 231194880. Its totient is φ = 86377152.
The previous prime is 151440803. The next prime is 151440827. The reversal of 151440807 is 708044151.
151440807 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 151440807 - 22 = 151440803 is a prime.
It is a super-2 number, since 2×1514408072 = 45868636049622498, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (151440803) 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, 5419 + ... + 18227.
It is an arithmetic number, because the mean of its divisors is an integer number (14449680).
Almost surely, 2151440807 is an apocalyptic number.
151440807 is a deficient number, since it is larger than the sum of its proper divisors (79754073).
151440807 is a wasteful number, since it uses less digits than its factorization.
151440807 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13382.
The product of its (nonzero) digits is 4480, while the sum is 30.
The square root of 151440807 is about 12306.1288389160. The cubic root of 151440807 is about 533.0250731223.
Adding to 151440807 its reverse (708044151), we get a palindrome (859484958).
The spelling of 151440807 in words is "one hundred fifty-one million, four hundred forty thousand, eight hundred seven".
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