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1938416344 = 231931255451
BaseRepresentation
bin111001110001001…
…1110001011011000
312000002110202022221
41303202132023120
512432213310334
6520202553424
766015160414
oct16342361330
95002422287
101938416344
11905204987
12461208874
1324b794627
14145627d44
15b529a8b4
hex7389e2d8

1938416344 has 16 divisors (see below), whose sum is σ = 3653365320. Its totient is φ = 964185600.

The previous prime is 1938416339. The next prime is 1938416383. The reversal of 1938416344 is 4436148391.

It is a self number, because there is not a number n which added to its sum of digits gives 1938416344.

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, 626182 + ... + 629269.

Almost surely, 21938416344 is an apocalyptic number.

It is an amenable number.

1938416344 is a deficient number, since it is larger than the sum of its proper divisors (1714948976).

1938416344 is a wasteful number, since it uses less digits than its factorization.

1938416344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255650 (or 1255646 counting only the distinct ones).

The product of its digits is 248832, while the sum is 43.

The square root of 1938416344 is about 44027.4498920844. The cubic root of 1938416344 is about 1246.8542434000.

The spelling of 1938416344 in words is "one billion, nine hundred thirty-eight million, four hundred sixteen thousand, three hundred forty-four".

Divisors: 1 2 4 8 193 386 772 1544 1255451 2510902 5021804 10043608 242302043 484604086 969208172 1938416344