Base | Representation |
---|---|
bin | 1010101111100… |
… | …00011111011100 |
3 | 20021120021012000 |
4 | 11113300133130 |
5 | 141032122022 |
6 | 12535242300 |
7 | 2142646032 |
oct | 527603734 |
9 | 207507160 |
10 | 90114012 |
11 | 46959a9a |
12 | 26219390 |
13 | 15891b01 |
14 | bd7a552 |
15 | 7da06ac |
hex | 55f07dc |
90114012 has 48 divisors (see below), whose sum is σ = 234151680. Its totient is φ = 29970864.
The previous prime is 90113987. The next prime is 90114029. The reversal of 90114012 is 21041109.
It is a super-2 number, since 2×901140122 = 16241070317472288, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79683 + ... + 80805.
It is an arithmetic number, because the mean of its divisors is an integer number (4878160).
Almost surely, 290114012 is an apocalyptic number.
It is an amenable number.
90114012 is an abundant number, since it is smaller than the sum of its proper divisors (144037668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90114012 is a wasteful number, since it uses less digits than its factorization.
90114012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1879 (or 1871 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 18.
The square root of 90114012 is about 9492.8400386818. The cubic root of 90114012 is about 448.3296295888.
The spelling of 90114012 in words is "ninety million, one hundred fourteen thousand, twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.000 sec. • engine limits •