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19914414 = 2313255313
BaseRepresentation
bin100101111110…
…1111010101110
31101110202102220
41023331322232
520044230124
61550500210
7331161342
oct113757256
941422386
1019914414
1110271aa3
126804666
1341834a0
142905622
151b35879
hex12fdeae

19914414 has 16 divisors (see below), whose sum is σ = 42892752. Its totient is φ = 6127488.

The previous prime is 19914371. The next prime is 19914449. The reversal of 19914414 is 41441991.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127579 + ... + 127734.

It is an arithmetic number, because the mean of its divisors is an integer number (2680797).

Almost surely, 219914414 is an apocalyptic number.

19914414 is an abundant number, since it is smaller than the sum of its proper divisors (22978338).

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

19914414 is a wasteful number, since it uses less digits than its factorization.

19914414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255331.

The product of its digits is 5184, while the sum is 33.

The square root of 19914414 is about 4462.5568903937. The cubic root of 19914414 is about 271.0540144600.

The spelling of 19914414 in words is "nineteen million, nine hundred fourteen thousand, four hundred fourteen".

Divisors: 1 2 3 6 13 26 39 78 255313 510626 765939 1531878 3319069 6638138 9957207 19914414