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378286372 = 22372555989
BaseRepresentation
bin10110100011000…
…011000100100100
3222100210221100101
4112203003010210
51233320130442
6101311553444
712242244502
oct2643030444
9870727311
10378286372
11184595172
12a682b884
13604ab1b9
1438351672
1523324cb7
hex168c3124

378286372 has 12 divisors (see below), whose sum is σ = 679893340. Its totient is φ = 184031136.

The previous prime is 378286357. The next prime is 378286379. The reversal of 378286372 is 273682873.

378286372 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 351412516 + 26873856 = 18746^2 + 5184^2 .

It is not an unprimeable number, because it can be changed into a prime (378286379) by changing a digit.

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, 1277847 + ... + 1278142.

Almost surely, 2378286372 is an apocalyptic number.

It is an amenable number.

378286372 is a deficient number, since it is larger than the sum of its proper divisors (301606968).

378286372 is a wasteful number, since it uses less digits than its factorization.

378286372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2556030 (or 2556028 counting only the distinct ones).

The product of its digits is 677376, while the sum is 46.

The square root of 378286372 is about 19449.5853940386. The cubic root of 378286372 is about 723.2252250294.

The spelling of 378286372 in words is "three hundred seventy-eight million, two hundred eighty-six thousand, three hundred seventy-two".

Divisors: 1 2 4 37 74 148 2555989 5111978 10223956 94571593 189143186 378286372