Base | Representation |
---|---|
bin | 1011001110111… |
… | …1111000101111 |
3 | 10021122221101012 |
4 | 2303233320233 |
5 | 44030314134 |
6 | 4401535435 |
7 | 1111340600 |
oct | 263577057 |
9 | 107587335 |
10 | 47119919 |
11 | 24663990 |
12 | 1394457b |
13 | 99ba512 |
14 | 6387da7 |
15 | 420b6ce |
hex | 2cefe2f |
47119919 has 12 divisors (see below), whose sum is σ = 59796648. Its totient is φ = 36716400.
The previous prime is 47119913. The next prime is 47119949. The reversal of 47119919 is 91991174.
It is not a de Polignac number, because 47119919 - 216 = 47054383 is a prime.
It is a super-2 number, since 2×471199192 = 4440573533133122, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47119913) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43172 + ... + 44249.
It is an arithmetic number, because the mean of its divisors is an integer number (4983054).
Almost surely, 247119919 is an apocalyptic number.
47119919 is a gapful number since it is divisible by the number (49) formed by its first and last digit.
47119919 is a deficient number, since it is larger than the sum of its proper divisors (12676729).
47119919 is a wasteful number, since it uses less digits than its factorization.
47119919 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 87446 (or 87439 counting only the distinct ones).
The product of its digits is 20412, while the sum is 41.
The square root of 47119919 is about 6864.3950206846. The cubic root of 47119919 is about 361.1892741642.
The spelling of 47119919 in words is "forty-seven million, one hundred nineteen thousand, nine hundred nineteen".
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