Search a number
-
+
378941850 = 232527120299
BaseRepresentation
bin10110100101100…
…011000110011010
3222102001020111100
4112211203012122
51234002114400
6101334012230
712250644510
oct2645430632
9872036440
10378941850
111849a2691
12a6aa7076
136067a661
14384824b0
1523404100
hex1696319a

378941850 has 72 divisors (see below), whose sum is σ = 1163541600. Its totient is φ = 86614560.

The previous prime is 378941791. The next prime is 378941867. The reversal of 378941850 is 58149873.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 378941796 and 378941805.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 57000 + ... + 63299.

It is an arithmetic number, because the mean of its divisors is an integer number (16160300).

Almost surely, 2378941850 is an apocalyptic number.

378941850 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

378941850 is an abundant number, since it is smaller than the sum of its proper divisors (784599750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

378941850 is a wasteful number, since it uses less digits than its factorization.

378941850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120324 (or 120316 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 378941850 is about 19466.4287942088. The cubic root of 378941850 is about 723.6427082849.

The spelling of 378941850 in words is "three hundred seventy-eight million, nine hundred forty-one thousand, eight hundred fifty".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 25 30 35 42 45 50 63 70 75 90 105 126 150 175 210 225 315 350 450 525 630 1050 1575 3150 120299 240598 360897 601495 721794 842093 1082691 1202990 1684186 1804485 2165382 2526279 3007475 3608970 4210465 5052558 5413455 6014950 7578837 8420930 9022425 10826910 12631395 15157674 18044850 21052325 25262790 27067275 37894185 42104650 54134550 63156975 75788370 126313950 189470925 378941850