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19969382 = 223434117
BaseRepresentation
bin100110000101…
…1010101100110
31101120112211202
41030023111212
520103010012
61552002502
7331510526
oct114132546
941515752
1019969382
11102aa324
126830432
1341a2504
14291b686
151b46cc2
hex130b566

19969382 has 8 divisors (see below), whose sum is σ = 31256496. Its totient is φ = 9550552.

The previous prime is 19969357. The next prime is 19969421. The reversal of 19969382 is 28396991.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217013 + ... + 217104.

It is an arithmetic number, because the mean of its divisors is an integer number (3907062).

Almost surely, 219969382 is an apocalyptic number.

19969382 is a deficient number, since it is larger than the sum of its proper divisors (11287114).

19969382 is a wasteful number, since it uses less digits than its factorization.

19969382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434142.

The product of its digits is 209952, while the sum is 47.

The square root of 19969382 is about 4468.7114473861. The cubic root of 19969382 is about 271.3031741832.

The spelling of 19969382 in words is "nineteen million, nine hundred sixty-nine thousand, three hundred eighty-two".

Divisors: 1 2 23 46 434117 868234 9984691 19969382