Base | Representation |
---|---|
bin | 111101110101010… |
… | …111110101001101 |
3 | 2200022001110012212 |
4 | 331311113311031 |
5 | 4111033321141 |
6 | 250535040205 |
7 | 34464523640 |
oct | 7565276515 |
9 | 2608043185 |
10 | 1037401421 |
11 | 49264a051 |
12 | 24b510065 |
13 | 136c03cc4 |
14 | 9bac5a57 |
15 | 6111d2eb |
hex | 3dd57d4d |
1037401421 has 16 divisors (see below), whose sum is σ = 1256365440. Its totient is φ = 836213760.
The previous prime is 1037401399. The next prime is 1037401471. The reversal of 1037401421 is 1241047301.
It is a happy number.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1037401421 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1037401471) 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, 185141 + ... + 190661.
It is an arithmetic number, because the mean of its divisors is an integer number (78522840).
Almost surely, 21037401421 is an apocalyptic number.
It is an amenable number.
1037401421 is a deficient number, since it is larger than the sum of its proper divisors (218964019).
1037401421 is a wasteful number, since it uses less digits than its factorization.
1037401421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7124.
The product of its (nonzero) digits is 672, while the sum is 23.
The square root of 1037401421 is about 32208.7165376083. The cubic root of 1037401421 is about 1012.3148619679.
Adding to 1037401421 its reverse (1241047301), we get a palindrome (2278448722).
The spelling of 1037401421 in words is "one billion, thirty-seven million, four hundred one thousand, four hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •