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19414880 = 255121343
BaseRepresentation
bin100101000001…
…1111101100000
31100112101012122
41022003331200
514432234010
61532043412
7324011102
oct112037540
940471178
1019414880
11aa60761
126603568
134039cc4
142815572
151a87855
hex1283f60

19414880 has 24 divisors (see below), whose sum is σ = 45868032. Its totient is φ = 7765888.

The previous prime is 19414873. The next prime is 19414883. The reversal of 19414880 is 8841491.

It is a self number, because there is not a number n which added to its sum of digits gives 19414880.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19414883) 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 3 ways as a sum of consecutive naturals, for example, 60512 + ... + 60831.

It is an arithmetic number, because the mean of its divisors is an integer number (1911168).

Almost surely, 219414880 is an apocalyptic number.

19414880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19414880 is an abundant number, since it is smaller than the sum of its proper divisors (26453152).

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

19414880 is a wasteful number, since it uses less digits than its factorization.

19414880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121358 (or 121350 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 19414880 is about 4406.2319503176. The cubic root of 19414880 is about 268.7684191450.

The spelling of 19414880 in words is "nineteen million, four hundred fourteen thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 121343 242686 485372 606715 970744 1213430 1941488 2426860 3882976 4853720 9707440 19414880