Base | Representation |
---|---|
bin | 1111010010111… |
… | …0001101010010 |
3 | 11110201021112220 |
4 | 3310232031102 |
5 | 112410334102 |
6 | 10211001510 |
7 | 1406200146 |
oct | 364561522 |
9 | 143637486 |
10 | 64152402 |
11 | 33237716 |
12 | 19599296 |
13 | 103a2002 |
14 | 873d226 |
15 | 59731bc |
hex | 3d2e352 |
64152402 has 8 divisors (see below), whose sum is σ = 128304816. Its totient is φ = 21384132.
The previous prime is 64152391. The next prime is 64152409. The reversal of 64152402 is 20425146.
It is a sphenic number, since it is the product of 3 distinct primes.
64152402 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (64152409) 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, 5346028 + ... + 5346039.
It is an arithmetic number, because the mean of its divisors is an integer number (16038102).
Almost surely, 264152402 is an apocalyptic number.
64152402 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.
64152402 is a wasteful number, since it uses less digits than its factorization.
64152402 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10692072.
The product of its (nonzero) digits is 1920, while the sum is 24.
The square root of 64152402 is about 8009.5194612411. The cubic root of 64152402 is about 400.3172524773.
Adding to 64152402 its reverse (20425146), we get a palindrome (84577548).
The spelling of 64152402 in words is "sixty-four million, one hundred fifty-two thousand, four hundred two".
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