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19914485 = 55375149
BaseRepresentation
bin100101111110…
…1111011110101
31101110202112112
41023331323311
520044230420
61550500405
7331161503
oct113757365
941422475
1019914485
1110272058
126804705
134183526
142905673
151b358c5
hex12fdef5

19914485 has 8 divisors (see below), whose sum is σ = 24348600. Its totient is φ = 15630784.

The previous prime is 19914467. The next prime is 19914491. The reversal of 19914485 is 58441991.

It can be written as a sum of positive squares in 4 ways, for example, as 209764 + 19704721 = 458^2 + 4439^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19914485 - 214 = 19898101 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37310 + ... + 37839.

It is an arithmetic number, because the mean of its divisors is an integer number (3043575).

Almost surely, 219914485 is an apocalyptic number.

It is an amenable number.

19914485 is a deficient number, since it is larger than the sum of its proper divisors (4434115).

19914485 is an equidigital number, since it uses as much as digits as its factorization.

19914485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75207.

The product of its digits is 51840, while the sum is 41.

The square root of 19914485 is about 4462.5648454672. The cubic root of 19914485 is about 271.0543365853.

The spelling of 19914485 in words is "nineteen million, nine hundred fourteen thousand, four hundred eighty-five".

Divisors: 1 5 53 265 75149 375745 3982897 19914485