Base | Representation |
---|---|
bin | 100100010011… |
… | …1101100101110 |
3 | 1022211011211010 |
4 | 1020213230232 |
5 | 14333140344 |
6 | 1520010050 |
7 | 320545245 |
oct | 110475456 |
9 | 38734733 |
10 | 19036974 |
11 | a822840 |
12 | 6460926 |
13 | 3c36ca8 |
14 | 275795c |
15 | 1a108b9 |
hex | 1227b2e |
19036974 has 96 divisors (see below), whose sum is σ = 47402496. Its totient is φ = 5034240.
The previous prime is 19036967. The next prime is 19036987. The reversal of 19036974 is 47963091.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
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 47 ways as a sum of consecutive naturals, for example, 405019 + ... + 405065.
It is an arithmetic number, because the mean of its divisors is an integer number (493776).
Almost surely, 219036974 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 19036974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23701248).
19036974 is an abundant number, since it is smaller than the sum of its proper divisors (28365522).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19036974 is a wasteful number, since it uses less digits than its factorization.
19036974 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 118 (or 99 counting only the distinct ones).
The product of its (nonzero) digits is 40824, while the sum is 39.
The square root of 19036974 is about 4363.1380908699. The cubic root of 19036974 is about 267.0131430358.
The spelling of 19036974 in words is "nineteen million, thirty-six thousand, nine hundred seventy-four".
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