Base | Representation |
---|---|
bin | 100100011010… |
… | …1011000001111 |
3 | 1022221000200102 |
4 | 1020311120033 |
5 | 14341434012 |
6 | 1521121315 |
7 | 321200513 |
oct | 110653017 |
9 | 38830612 |
10 | 19093007 |
11 | a86094a |
12 | 648923b |
13 | 3c5664b |
14 | 2770143 |
15 | 1a222c2 |
hex | 123560f |
19093007 has 4 divisors (see below), whose sum is σ = 19278480. Its totient is φ = 18907536.
The previous prime is 19093001. The next prime is 19093027. The reversal of 19093007 is 70039091.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 19093007 - 212 = 19088911 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19093001) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92582 + ... + 92787.
It is an arithmetic number, because the mean of its divisors is an integer number (4819620).
Almost surely, 219093007 is an apocalyptic number.
19093007 is a deficient number, since it is larger than the sum of its proper divisors (185473).
19093007 is a wasteful number, since it uses less digits than its factorization.
19093007 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 185472.
The product of its (nonzero) digits is 1701, while the sum is 29.
The square root of 19093007 is about 4369.5545539563. The cubic root of 19093007 is about 267.2748599144.
The spelling of 19093007 in words is "nineteen million, ninety-three thousand, seven".
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