Base | Representation |
---|---|
bin | 10110101011011… |
… | …10011110100001 |
3 | 111020222102202120 |
4 | 23111232132201 |
5 | 342200313034 |
6 | 30513334453 |
7 | 4500024321 |
oct | 1325563641 |
9 | 436872676 |
10 | 190244769 |
11 | 9842a790 |
12 | 53867429 |
13 | 3054cc90 |
14 | 1b3a3281 |
15 | 11a7dc49 |
hex | b56e7a1 |
190244769 has 32 divisors (see below), whose sum is σ = 299249664. Its totient is φ = 105986880.
The previous prime is 190244759. The next prime is 190244779. The reversal of 190244769 is 967442091.
It is an interprime number because it is at equal distance from previous prime (190244759) and next prime (190244779).
It is not a de Polignac number, because 190244769 - 27 = 190244641 is a prime.
It is a super-2 number, since 2×1902447692 = 72386144263726722, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 190244769.
It is not an unprimeable number, because it can be changed into a prime (190244759) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120624 + ... + 122190.
It is an arithmetic number, because the mean of its divisors is an integer number (9351552).
Almost surely, 2190244769 is an apocalyptic number.
It is an amenable number.
190244769 is a deficient number, since it is larger than the sum of its proper divisors (109004895).
190244769 is a wasteful number, since it uses less digits than its factorization.
190244769 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1877.
The product of its (nonzero) digits is 108864, while the sum is 42.
The square root of 190244769 is about 13792.9245992284. The cubic root of 190244769 is about 575.1364706950.
The spelling of 190244769 in words is "one hundred ninety million, two hundred forty-four thousand, seven hundred sixty-nine".
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