Base | Representation |
---|---|
bin | 1001000010111010… |
… | …1011110010010000 |
3 | 20021020000011022102 |
4 | 2100232223302100 |
5 | 14433102011242 |
6 | 1040535455532 |
7 | 114112665065 |
oct | 22056536220 |
9 | 6236004272 |
10 | 2428157072 |
11 | 10366a4390 |
12 | 5792275a8 |
13 | 2c9096b43 |
14 | 1906acc6c |
15 | e3288e32 |
hex | 90babc90 |
2428157072 has 40 divisors (see below), whose sum is σ = 5143545792. Its totient is φ = 1101276800.
The previous prime is 2428157051. The next prime is 2428157077. The reversal of 2428157072 is 2707518242.
It is a super-2 number, since 2×24281570722 = 11791893532607226368, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2428157077) 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, 66173 + ... + 96099.
Almost surely, 22428157072 is an apocalyptic number.
2428157072 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
2428157072 is an abundant number, since it is smaller than the sum of its proper divisors (2715388720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2428157072 is a wasteful number, since it uses less digits than its factorization.
2428157072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30407 (or 30401 counting only the distinct ones).
The product of its (nonzero) digits is 62720, while the sum is 38.
The square root of 2428157072 is about 49276.3337921968. Note that the first 3 decimals coincide. The cubic root of 2428157072 is about 1344.0814653237.
The spelling of 2428157072 in words is "two billion, four hundred twenty-eight million, one hundred fifty-seven thousand, seventy-two".
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