Base | Representation |
---|---|
bin | 1000000010010110… |
… | …1011010101011010 |
3 | 12120100110021012210 |
4 | 2000211223111122 |
5 | 13404241013344 |
6 | 554023415550 |
7 | 104314155453 |
oct | 20045532532 |
9 | 5510407183 |
10 | 2157360474 |
11 | a07856945 |
12 | 5025b45b6 |
13 | 284c52579 |
14 | 16673c12a |
15 | c95e7db9 |
hex | 8096b55a |
2157360474 has 8 divisors (see below), whose sum is σ = 4314720960. Its totient is φ = 719120156.
The previous prime is 2157360473. The next prime is 2157360479. The reversal of 2157360474 is 4740637512.
It is a sphenic number, since it is the product of 3 distinct primes.
2157360474 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (2157360473) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179780034 + ... + 179780045.
It is an arithmetic number, because the mean of its divisors is an integer number (539340120).
Almost surely, 22157360474 is an apocalyptic number.
2157360474 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2157360474 is a wasteful number, since it uses less digits than its factorization.
2157360474 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 359560084.
The product of its (nonzero) digits is 141120, while the sum is 39.
The square root of 2157360474 is about 46447.3946955047. The cubic root of 2157360474 is about 1292.1340543584.
Adding to 2157360474 its reverse (4740637512), we get a palindrome (6897997986).
The spelling of 2157360474 in words is "two billion, one hundred fifty-seven million, three hundred sixty thousand, four hundred seventy-four".
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