Base | Representation |
---|---|
bin | 1010011010010… |
… | …11100101011001 |
3 | 20002100101212201 |
4 | 11031023211121 |
5 | 134324411101 |
6 | 12400010201 |
7 | 2110250440 |
oct | 515134531 |
9 | 202311781 |
10 | 87341401 |
11 | 45335984 |
12 | 25300961 |
13 | 15130b04 |
14 | b857d57 |
15 | 7a03e01 |
hex | 534b959 |
87341401 has 8 divisors (see below), whose sum is σ = 101309120. Its totient is φ = 73746288.
The previous prime is 87341399. The next prime is 87341407. The reversal of 87341401 is 10414378.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 87341401 - 21 = 87341399 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 87341401.
It is not an unprimeable number, because it can be changed into a prime (87341407) 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, 92646 + ... + 93583.
It is an arithmetic number, because the mean of its divisors is an integer number (12663640).
Almost surely, 287341401 is an apocalyptic number.
It is an amenable number.
87341401 is a deficient number, since it is larger than the sum of its proper divisors (13967719).
87341401 is a wasteful number, since it uses less digits than its factorization.
87341401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 186303.
The product of its (nonzero) digits is 2688, while the sum is 28.
The square root of 87341401 is about 9345.6621488261. The cubic root of 87341401 is about 443.6836087674.
Adding to 87341401 its reverse (10414378), we get a palindrome (97755779).
The spelling of 87341401 in words is "eighty-seven million, three hundred forty-one thousand, four hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.003 sec. • engine limits •