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19914484 = 2215132971
BaseRepresentation
bin100101111110…
…1111011110100
31101110202112111
41023331323310
520044230414
61550500404
7331161502
oct113757364
941422474
1019914484
1110272057
126804704
134183525
142905672
151b358c4
hex12fdef4

19914484 has 12 divisors (see below), whose sum is σ = 35082208. Its totient is φ = 9891000.

The previous prime is 19914467. The next prime is 19914491. The reversal of 19914484 is 48441991.

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 3 ways as a sum of consecutive naturals, for example, 15882 + ... + 17089.

Almost surely, 219914484 is an apocalyptic number.

It is an amenable number.

19914484 is a deficient number, since it is larger than the sum of its proper divisors (15167724).

19914484 is a wasteful number, since it uses less digits than its factorization.

19914484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33126 (or 33124 counting only the distinct ones).

The product of its digits is 41472, while the sum is 40.

The square root of 19914484 is about 4462.5647334240. The cubic root of 19914484 is about 271.0543320483.

The spelling of 19914484 in words is "nineteen million, nine hundred fourteen thousand, four hundred eighty-four".

Divisors: 1 2 4 151 302 604 32971 65942 131884 4978621 9957242 19914484