Base | Representation |
---|---|
bin | 1010000000101… |
… | …01000000110100 |
3 | 12212000020010120 |
4 | 11000111000310 |
5 | 132444102043 |
6 | 12155451540 |
7 | 2036515521 |
oct | 500250064 |
9 | 185006116 |
10 | 83972148 |
11 | 43444577 |
12 | 24156bb0 |
13 | 14521380 |
14 | b21c148 |
15 | 758a983 |
hex | 5015034 |
83972148 has 24 divisors (see below), whose sum is σ = 211007328. Its totient is φ = 25837536.
The previous prime is 83972143. The next prime is 83972159. The reversal of 83972148 is 84127938.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83972143) 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, 268986 + ... + 269297.
It is an arithmetic number, because the mean of its divisors is an integer number (8791972).
Almost surely, 283972148 is an apocalyptic number.
It is an amenable number.
83972148 is an abundant number, since it is smaller than the sum of its proper divisors (127035180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83972148 is a wasteful number, since it uses less digits than its factorization.
83972148 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 538303 (or 538301 counting only the distinct ones).
The product of its digits is 96768, while the sum is 42.
The square root of 83972148 is about 9163.6318127694. The cubic root of 83972148 is about 437.9035045241.
The spelling of 83972148 in words is "eighty-three million, nine hundred seventy-two thousand, one hundred forty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •