Base | Representation |
---|---|
bin | 10110101101000… |
… | …01001110000101 |
3 | 111021100222212111 |
4 | 23112201032011 |
5 | 342223440423 |
6 | 30522021021 |
7 | 4501551301 |
oct | 1326411605 |
9 | 437328774 |
10 | 190452613 |
11 | 9856195a |
12 | 53947771 |
13 | 305c3770 |
14 | 1b418d01 |
15 | 11ac060d |
hex | b5a1385 |
190452613 has 16 divisors (see below), whose sum is σ = 209669040. Its totient is φ = 171933696.
The previous prime is 190452571. The next prime is 190452643. The reversal of 190452613 is 316254091.
It can be written as a sum of positive squares in 8 ways, for example, as 1582564 + 188870049 = 1258^2 + 13743^2 .
It is a cyclic number.
It is not a de Polignac number, because 190452613 - 217 = 190321541 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (190452643) 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 15 ways as a sum of consecutive naturals, for example, 111381 + ... + 113077.
It is an arithmetic number, because the mean of its divisors is an integer number (13104315).
Almost surely, 2190452613 is an apocalyptic number.
190452613 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
190452613 is a deficient number, since it is larger than the sum of its proper divisors (19216427).
190452613 is a wasteful number, since it uses less digits than its factorization.
190452613 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1896.
The product of its (nonzero) digits is 6480, while the sum is 31.
The square root of 190452613 is about 13800.4569851871. The cubic root of 190452613 is about 575.3458416006.
The spelling of 190452613 in words is "one hundred ninety million, four hundred fifty-two thousand, six hundred thirteen".
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