Base | Representation |
---|---|
bin | 111101010111010… |
… | …100000000001010 |
3 | 2122202020002212220 |
4 | 331113110000022 |
5 | 4102024141133 |
6 | 250054114510 |
7 | 34340534112 |
oct | 7527240012 |
9 | 2582202786 |
10 | 1029521418 |
11 | 489157752 |
12 | 24894ba36 |
13 | 1353a5393 |
14 | 9aa34042 |
15 | 605b35b3 |
hex | 3d5d400a |
1029521418 has 8 divisors (see below), whose sum is σ = 2059042848. Its totient is φ = 343173804.
The previous prime is 1029521413. The next prime is 1029521447. The reversal of 1029521418 is 8141259201.
It is a sphenic number, since it is the product of 3 distinct primes.
1029521418 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (1029521413) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85793446 + ... + 85793457.
It is an arithmetic number, because the mean of its divisors is an integer number (257380356).
Almost surely, 21029521418 is an apocalyptic number.
1029521418 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.
1029521418 is a wasteful number, since it uses less digits than its factorization.
1029521418 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 171586908.
The product of its (nonzero) digits is 5760, while the sum is 33.
The square root of 1029521418 is about 32086.1561736522. The cubic root of 1029521418 is about 1009.7451953379.
It can be divided in two parts, 10295 and 21418, that added together give a palindrome (31713).
The spelling of 1029521418 in words is "one billion, twenty-nine million, five hundred twenty-one thousand, four hundred eighteen".
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