Base | Representation |
---|---|
bin | 100100010101… |
… | …1001000011110 |
3 | 1022211220010000 |
4 | 1020223020132 |
5 | 14334113123 |
6 | 1520155130 |
7 | 320634246 |
oct | 110531036 |
9 | 38756100 |
10 | 19051038 |
11 | a832366 |
12 | 6468aa6 |
13 | 3c40506 |
14 | 275cb26 |
15 | 1a14b43 |
hex | 122b21e |
19051038 has 40 divisors (see below), whose sum is σ = 44553168. Its totient is φ = 6073056.
The previous prime is 19051013. The next prime is 19051049. The reversal of 19051038 is 83015091.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1170 + ... + 6282.
Almost surely, 219051038 is an apocalyptic number.
19051038 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 19051038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22276584).
19051038 is an abundant number, since it is smaller than the sum of its proper divisors (25502130).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19051038 is a wasteful number, since it uses less digits than its factorization.
19051038 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5150 (or 5141 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 27.
The square root of 19051038 is about 4364.7494773469. The cubic root of 19051038 is about 267.0788808724.
The spelling of 19051038 in words is "nineteen million, fifty-one thousand, thirty-eight".
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