Base | Representation |
---|---|
bin | 10001010100011… |
… | …100001101000000 |
3 | 202020202112120120 |
4 | 101110130031000 |
5 | 1043341233242 |
6 | 44455540240 |
7 | 10125545661 |
oct | 2124341500 |
9 | 666675516 |
10 | 290571072 |
11 | 13a024390 |
12 | 8138a680 |
13 | 4827915c |
14 | 2a83b368 |
15 | 1a79a1ec |
hex | 1151c340 |
290571072 has 112 divisors (see below), whose sum is σ = 888138432. Its totient is φ = 82862080.
The previous prime is 290571067. The next prime is 290571077. The reversal of 290571072 is 270175092.
It is an interprime number because it is at equal distance from previous prime (290571067) and next prime (290571077).
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (290571077) 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, 31858 + ... + 39950.
Almost surely, 2290571072 is an apocalyptic number.
290571072 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 290571072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (444069216).
290571072 is an abundant number, since it is smaller than the sum of its proper divisors (597567360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
290571072 is a wasteful number, since it uses less digits than its factorization.
290571072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8136 (or 8126 counting only the distinct ones).
The product of its (nonzero) digits is 8820, while the sum is 33.
The square root of 290571072 is about 17046.1453707282. The cubic root of 290571072 is about 662.3447910765.
The spelling of 290571072 in words is "two hundred ninety million, five hundred seventy-one thousand, seventy-two".
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