Base | Representation |
---|---|
bin | 11001011101001… |
… | …00100100101111 |
3 | 112212210200222120 |
4 | 30232210210233 |
5 | 414131110043 |
6 | 33104444023 |
7 | 5202006042 |
oct | 1456444457 |
9 | 485720876 |
10 | 213535023 |
11 | aa598029 |
12 | 5b619613 |
13 | 35315bb0 |
14 | 20506c59 |
15 | 13b2e983 |
hex | cba492f |
213535023 has 16 divisors (see below), whose sum is σ = 306904416. Its totient is φ = 131281920.
The previous prime is 213535019. The next prime is 213535027. The reversal of 213535023 is 320535312.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (213535019) and next prime (213535027).
It is not a de Polignac number, because 213535023 - 22 = 213535019 is a prime.
It is a super-2 number, since 2×2135350232 = 91194412095221058, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 213534984 and 213535002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213535027) 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, 55911 + ... + 59607.
It is an arithmetic number, because the mean of its divisors is an integer number (19181526).
Almost surely, 2213535023 is an apocalyptic number.
213535023 is a deficient number, since it is larger than the sum of its proper divisors (93369393).
213535023 is a wasteful number, since it uses less digits than its factorization.
213535023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5194.
The product of its (nonzero) digits is 2700, while the sum is 24.
The square root of 213535023 is about 14612.8376094446. The cubic root of 213535023 is about 597.7088762782.
The spelling of 213535023 in words is "two hundred thirteen million, five hundred thirty-five thousand, twenty-three".
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