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19130060 = 225956503
BaseRepresentation
bin100100011111…
…0011011001100
31022222220111202
41020332123030
514344130220
61522005032
7321413525
oct110763314
938886452
1019130060
11a886774
1264a6778
133c6a481
14277d84c
151a2d275
hex123e6cc

19130060 has 12 divisors (see below), whose sum is σ = 40173168. Its totient is φ = 7652016.

The previous prime is 19130057. The next prime is 19130119. The reversal of 19130060 is 6003191.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 956503 = 19130060 / (1 + 9 + 1 + 3 + 0 + 0 + 6 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478232 + ... + 478271.

It is an arithmetic number, because the mean of its divisors is an integer number (3347764).

Almost surely, 219130060 is an apocalyptic number.

19130060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19130060 is an abundant number, since it is smaller than the sum of its proper divisors (21043108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19130060 is a wasteful number, since it uses less digits than its factorization.

19130060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956512 (or 956510 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 19130060 is about 4373.7924047673. The cubic root of 19130060 is about 267.4476445706.

The spelling of 19130060 in words is "nineteen million, one hundred thirty thousand, sixty".

Divisors: 1 2 4 5 10 20 956503 1913006 3826012 4782515 9565030 19130060