[go: up one dir, main page]

Search a number
-
+
19243084 = 227298179
BaseRepresentation
bin100100101101…
…0000001001100
31100012122112211
41021122001030
514411234314
61524240204
7322364200
oct111320114
940178484
1019243084
11a953683
126540064
133ca9a53
1427acb00
151a519c4
hex125a04c

19243084 has 18 divisors (see below), whose sum is σ = 39173820. Its totient is φ = 8246952.

The previous prime is 19243079. The next prime is 19243087. The reversal of 19243084 is 48034291.

It is not an unprimeable number, because it can be changed into a prime (19243087) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48894 + ... + 49285.

Almost surely, 219243084 is an apocalyptic number.

19243084 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

19243084 is an abundant number, since it is smaller than the sum of its proper divisors (19930736).

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

19243084 is a wasteful number, since it uses less digits than its factorization.

19243084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98197 (or 98188 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 19243084 is about 4386.6939715462. The cubic root of 19243084 is about 267.9733210243.

The spelling of 19243084 in words is "nineteen million, two hundred forty-three thousand, eighty-four".

Divisors: 1 2 4 7 14 28 49 98 196 98179 196358 392716 687253 1374506 2749012 4810771 9621542 19243084