Base | Representation |
---|---|
bin | 101001111110011… |
… | …1100111100010110 |
3 | 10122011022120012020 |
4 | 1103330330330112 |
5 | 10341033042230 |
6 | 351432434010 |
7 | 46621641435 |
oct | 12374747426 |
9 | 3564276166 |
10 | 1408487190 |
11 | 663066300 |
12 | 333848906 |
13 | 195a60896 |
14 | d50c111c |
15 | 839be810 |
hex | 53f3cf16 |
1408487190 has 96 divisors (see below), whose sum is σ = 3786235488. Its totient is φ = 334963200.
The previous prime is 1408487183. The next prime is 1408487261. The reversal of 1408487190 is 917848041.
It is a super-2 number, since 2×14084871902 = 3967672328788192200, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 188730 + ... + 196050.
It is an arithmetic number, because the mean of its divisors is an integer number (39439953).
Almost surely, 21408487190 is an apocalyptic number.
1408487190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1408487190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1893117744).
1408487190 is an abundant number, since it is smaller than the sum of its proper divisors (2377748298).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1408487190 is a wasteful number, since it uses less digits than its factorization.
1408487190 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7406 (or 7395 counting only the distinct ones).
The product of its (nonzero) digits is 64512, while the sum is 42.
The square root of 1408487190 is about 37529.8173456786. The cubic root of 1408487190 is about 1120.9449906069.
The spelling of 1408487190 in words is "one billion, four hundred eight million, four hundred eighty-seven thousand, one hundred ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •