Base | Representation |
---|---|
bin | 1110101000111… |
… | …0011110101011 |
3 | 11021112111100020 |
4 | 3222032132223 |
5 | 111204313003 |
6 | 10032011523 |
7 | 1343620446 |
oct | 352163653 |
9 | 137474306 |
10 | 61401003 |
11 | 31728534 |
12 | 18690ba3 |
13 | c94a871 |
14 | 822465d |
15 | 55ccd53 |
hex | 3a8e7ab |
61401003 has 8 divisors (see below), whose sum is σ = 82229568. Its totient is φ = 40753224.
The previous prime is 61401001. The next prime is 61401037. The reversal of 61401003 is 30010416.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 61401003 - 21 = 61401001 is a prime.
It is not an unprimeable number, because it can be changed into a prime (61401001) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44401 + ... + 45762.
It is an arithmetic number, because the mean of its divisors is an integer number (10278696).
Almost surely, 261401003 is an apocalyptic number.
61401003 is a deficient number, since it is larger than the sum of its proper divisors (20828565).
61401003 is a wasteful number, since it uses less digits than its factorization.
61401003 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90393.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 61401003 is about 7835.8792104013. The cubic root of 61401003 is about 394.5104290913.
Adding to 61401003 its reverse (30010416), we get a palindrome (91411419).
The spelling of 61401003 in words is "sixty-one million, four hundred one thousand, three".
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