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378968812 = 22563168281
BaseRepresentation
bin10110100101101…
…001101011101100
3222102002121110221
4112211221223230
51234004000222
6101334341124
712251116225
oct2645515354
9872077427
10378968812
11184a10972
12a6aba7a4
1360689a01
143848c24c
152340c0c7
hex16969aec

378968812 has 12 divisors (see below), whose sum is σ = 664377336. Its totient is φ = 189146720.

The previous prime is 378968809. The next prime is 378968873. The reversal of 378968812 is 218869873.

It is a self number, because there is not a number n which added to its sum of digits gives 378968812.

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, 81889 + ... + 86392.

It is an arithmetic number, because the mean of its divisors is an integer number (55364778).

Almost surely, 2378968812 is an apocalyptic number.

It is an amenable number.

378968812 is a deficient number, since it is larger than the sum of its proper divisors (285408524).

378968812 is a wasteful number, since it uses less digits than its factorization.

378968812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168848 (or 168846 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 52.

The square root of 378968812 is about 19467.1213074764. The cubic root of 378968812 is about 723.6598704537.

The spelling of 378968812 in words is "three hundred seventy-eight million, nine hundred sixty-eight thousand, eight hundred twelve".

Divisors: 1 2 4 563 1126 2252 168281 336562 673124 94742203 189484406 378968812