Search a number
-
+
19108051 = 174012803
BaseRepresentation
bin100100011100…
…1000011010011
31022221210022121
41020321003103
514342424201
61521315111
7321262414
oct110710323
938853277
1019108051
11a871186
126495a97
133c60451
14277580b
151a269a1
hex12390d3

19108051 has 8 divisors (see below), whose sum is σ = 20289744. Its totient is φ = 17932800.

The previous prime is 19108003. The next prime is 19108057. The reversal of 19108051 is 15080191.

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

It is a cyclic number.

It is not a de Polignac number, because 19108051 - 221 = 17010899 is a prime.

It is a super-2 number, since 2×191080512 = 730235226037202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19108057) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5416 + ... + 8218.

It is an arithmetic number, because the mean of its divisors is an integer number (2536218).

Almost surely, 219108051 is an apocalyptic number.

19108051 is a deficient number, since it is larger than the sum of its proper divisors (1181693).

19108051 is a wasteful number, since it uses less digits than its factorization.

19108051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3221.

The product of its (nonzero) digits is 360, while the sum is 25.

The square root of 19108051 is about 4371.2756719292. The cubic root of 19108051 is about 267.3450396647.

The spelling of 19108051 in words is "nineteen million, one hundred eight thousand, fifty-one".

Divisors: 1 17 401 2803 6817 47651 1124003 19108051