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19005034 = 229327673
BaseRepresentation
bin100100001111…
…1111001101010
31022202120000011
41020133321222
514331130114
61515202134
7320353156
oct110377152
938676004
1019005034
11a800844
12644634a
133c255a9
14274a066
151a061c4
hex121fe6a

19005034 has 8 divisors (see below), whose sum is σ = 29490660. Its totient is φ = 9174816.

The previous prime is 19005023. The next prime is 19005037. The reversal of 19005034 is 43050091.

It can be written as a sum of positive squares in 2 ways, for example, as 18447025 + 558009 = 4295^2 + 747^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×190050342 = 722382634682312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19004996 and 19005014.

It is not an unprimeable number, because it can be changed into a prime (19005037) 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, 163779 + ... + 163894.

Almost surely, 219005034 is an apocalyptic number.

19005034 is a deficient number, since it is larger than the sum of its proper divisors (10485626).

19005034 is a wasteful number, since it uses less digits than its factorization.

19005034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327704.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 19005034 is about 4359.4763447001. The cubic root of 19005034 is about 266.8637289911.

The spelling of 19005034 in words is "nineteen million, five thousand, thirty-four".

Divisors: 1 2 29 58 327673 655346 9502517 19005034