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19741316 = 2272472143
BaseRepresentation
bin100101101001…
…1101010000100
31101010221222212
41023103222010
520023210231
61543042552
7326540600
oct113235204
941127885
1019741316
1110163a41
126740458
13412276a
14289c500
151aee42b
hex12d3a84

19741316 has 36 divisors (see below), whose sum is σ = 41061888. Its totient is φ = 8276688.

The previous prime is 19741277. The next prime is 19741321. The reversal of 19741316 is 61314791.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 8141 + ... + 10283.

It is an arithmetic number, because the mean of its divisors is an integer number (1140608).

Almost surely, 219741316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19741316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20530944).

19741316 is an abundant number, since it is smaller than the sum of its proper divisors (21320572).

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

19741316 is a wasteful number, since it uses less digits than its factorization.

19741316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2208 (or 2199 counting only the distinct ones).

The product of its digits is 4536, while the sum is 32.

The square root of 19741316 is about 4443.1200749023. The cubic root of 19741316 is about 270.2663854710.

The spelling of 19741316 in words is "nineteen million, seven hundred forty-one thousand, three hundred sixteen".

Divisors: 1 2 4 7 14 28 47 49 94 98 188 196 329 658 1316 2143 2303 4286 4606 8572 9212 15001 30002 60004 100721 105007 201442 210014 402884 420028 705047 1410094 2820188 4935329 9870658 19741316