Base | Representation |
---|---|
bin | 100100011010… |
… | …1011111110000 |
3 | 1022221001100020 |
4 | 1020311133300 |
5 | 14341442423 |
6 | 1521123440 |
7 | 321202101 |
oct | 110653760 |
9 | 38831306 |
10 | 19093488 |
11 | a861247 |
12 | 6489580 |
13 | 3c5692b |
14 | 27703a8 |
15 | 1a224e3 |
hex | 12357f0 |
19093488 has 40 divisors (see below), whose sum is σ = 50141136. Its totient is φ = 6259200.
The previous prime is 19093439. The next prime is 19093493. The reversal of 19093488 is 88439091.
It is a super-2 number, since 2×190934882 = 729122568012288, 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 (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333 + ... + 6188.
Almost surely, 219093488 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 19093488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25070568).
19093488 is an abundant number, since it is smaller than the sum of its proper divisors (31047648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19093488 is a wasteful number, since it uses less digits than its factorization.
19093488 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6593 (or 6587 counting only the distinct ones).
The product of its (nonzero) digits is 62208, while the sum is 42.
The square root of 19093488 is about 4369.6095935449. The cubic root of 19093488 is about 267.2771043335.
The spelling of 19093488 in words is "nineteen million, ninety-three thousand, four hundred eighty-eight".
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