Base | Representation |
---|---|
bin | 10010001010111… |
… | …00010100010000 |
3 | 101121210211012020 |
4 | 21011130110100 |
5 | 303004443043 |
6 | 23042531440 |
7 | 3530363661 |
oct | 1105342420 |
9 | 347724166 |
10 | 152421648 |
11 | 79046705 |
12 | 43066b80 |
13 | 25769232 |
14 | 16359368 |
15 | d5abe83 |
hex | 915c510 |
152421648 has 80 divisors (see below), whose sum is σ = 425776320. Its totient is φ = 46821888.
The previous prime is 152421613. The next prime is 152421649. The reversal of 152421648 is 846124251.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (152421649) 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, 31486 + ... + 36002.
It is an arithmetic number, because the mean of its divisors is an integer number (5322204).
Almost surely, 2152421648 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 152421648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212888160).
152421648 is an abundant number, since it is smaller than the sum of its proper divisors (273354672).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
152421648 is a wasteful number, since it uses less digits than its factorization.
152421648 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4584 (or 4578 counting only the distinct ones).
The product of its digits is 15360, while the sum is 33.
The square root of 152421648 is about 12345.9162478935. The cubic root of 152421648 is about 534.1733505567.
Adding to 152421648 its reverse (846124251), we get a palindrome (998545899).
The spelling of 152421648 in words is "one hundred fifty-two million, four hundred twenty-one thousand, six hundred forty-eight".
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