Base | Representation |
---|---|
bin | 10010000011111… |
… | …10110101001010 |
3 | 101120002201202000 |
4 | 21001332311022 |
5 | 302241430232 |
6 | 23011251430 |
7 | 3516565032 |
oct | 1101766512 |
9 | 346081660 |
10 | 151514442 |
11 | 78587052 |
12 | 428a9b76 |
13 | 2550c321 |
14 | 161a08c2 |
15 | d47d27c |
hex | 907ed4a |
151514442 has 32 divisors (see below), whose sum is σ = 339980160. Its totient is φ = 50012640.
The previous prime is 151514437. The next prime is 151514449. The reversal of 151514442 is 244415151.
151514442 is a `hidden beast` number, since 1 + 515 + 144 + 4 + 2 = 666.
151514442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1515144422 = 45913252269142728, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (151514449) 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, 8059 + ... + 19182.
It is an arithmetic number, because the mean of its divisors is an integer number (10624380).
Almost surely, 2151514442 is an apocalyptic number.
151514442 is an abundant number, since it is smaller than the sum of its proper divisors (188465718).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
151514442 is a wasteful number, since it uses less digits than its factorization.
151514442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27355 (or 27349 counting only the distinct ones).
The product of its digits is 3200, while the sum is 27.
The square root of 151514442 is about 12309.1202772578. The cubic root of 151514442 is about 533.1114499767. Note that the first 3 decimals are identical.
Adding to 151514442 its reverse (244415151), we get a palindrome (395929593).
The spelling of 151514442 in words is "one hundred fifty-one million, five hundred fourteen thousand, four hundred forty-two".
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