Base | Representation |
---|---|
bin | 100100010100… |
… | …0101100010101 |
3 | 1022211101101220 |
4 | 1020220230111 |
5 | 14333303140 |
6 | 1520040553 |
7 | 320563152 |
oct | 110505425 |
9 | 38741356 |
10 | 19041045 |
11 | a825901 |
12 | 6463159 |
13 | 3c38aba |
14 | 2759229 |
15 | 1a11bd0 |
hex | 1228b15 |
19041045 has 32 divisors (see below), whose sum is σ = 31819392. Its totient is φ = 9714432.
The previous prime is 19041041. The next prime is 19041049. The reversal of 19041045 is 54014091.
It is an interprime number because it is at equal distance from previous prime (19041041) and next prime (19041049).
It is not a de Polignac number, because 19041045 - 22 = 19041041 is a prime.
It is a super-2 number, since 2×190410452 = 725122789384050, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19041041) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33907 + ... + 34463.
It is an arithmetic number, because the mean of its divisors is an integer number (994356).
Almost surely, 219041045 is an apocalyptic number.
19041045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
19041045 is a deficient number, since it is larger than the sum of its proper divisors (12778347).
19041045 is a wasteful number, since it uses less digits than its factorization.
19041045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 661.
The product of its (nonzero) digits is 720, while the sum is 24.
The square root of 19041045 is about 4363.6045879525. The cubic root of 19041045 is about 267.0321750001.
The spelling of 19041045 in words is "nineteen million, forty-one thousand, forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •