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19979314 = 231322247
BaseRepresentation
bin100110000110…
…1110000110010
31101121001110121
41030031300302
520103314224
61552120454
7331551505
oct114156062
941531417
1019979314
1110306833
12683612a
1341a6ba4
14292113c
151b49be4
hex130dc32

19979314 has 8 divisors (see below), whose sum is σ = 30935808. Its totient is φ = 9667380.

The previous prime is 19979299. The next prime is 19979327. The reversal of 19979314 is 41397991.

It is a happy number.

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

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 3 ways as a sum of consecutive naturals, for example, 161062 + ... + 161185.

It is an arithmetic number, because the mean of its divisors is an integer number (3866976).

Almost surely, 219979314 is an apocalyptic number.

19979314 is a deficient number, since it is larger than the sum of its proper divisors (10956494).

19979314 is a wasteful number, since it uses less digits than its factorization.

19979314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322280.

The product of its digits is 61236, while the sum is 43.

The square root of 19979314 is about 4469.8225915577. The cubic root of 19979314 is about 271.3481453049.

It can be divided in two parts, 1997 and 9314, that added together give a palindrome (11311).

The spelling of 19979314 in words is "nineteen million, nine hundred seventy-nine thousand, three hundred fourteen".

Divisors: 1 2 31 62 322247 644494 9989657 19979314