Base | Representation |
---|---|
bin | 1010011101000… |
… | …10110111111101 |
3 | 20010000120022221 |
4 | 11032202313331 |
5 | 134422331231 |
6 | 12411405341 |
7 | 2113300021 |
oct | 516426775 |
9 | 203016287 |
10 | 87698941 |
11 | 4555a570 |
12 | 25453851 |
13 | 15227785 |
14 | b90c381 |
15 | 7a74d11 |
hex | 53a2dfd |
87698941 has 8 divisors (see below), whose sum is σ = 97477344. Its totient is φ = 78221520.
The previous prime is 87698939. The next prime is 87698951. The reversal of 87698941 is 14989678.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 87698941 - 21 = 87698939 is a prime.
It is a super-2 number, since 2×876989412 = 15382208505042962, which contains 22 as substring.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87698951) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74631 + ... + 75796.
It is an arithmetic number, because the mean of its divisors is an integer number (12184668).
Almost surely, 287698941 is an apocalyptic number.
It is an amenable number.
87698941 is a deficient number, since it is larger than the sum of its proper divisors (9778403).
87698941 is a wasteful number, since it uses less digits than its factorization.
87698941 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 150491.
The product of its digits is 870912, while the sum is 52.
The square root of 87698941 is about 9364.7712732346. The cubic root of 87698941 is about 444.2882043155.
The spelling of 87698941 in words is "eighty-seven million, six hundred ninety-eight thousand, nine hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.092 sec. • engine limits •