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378828234 = 23230017013
BaseRepresentation
bin10110100101000…
…111010111001010
3222101211110122100
4112211013113022
51233440000414
6101331334230
712246662331
oct2645072712
9871743570
10378828234
11184925294
12a6a51376
136063aa25
1438452d18
15233d0609
hex169475ca

378828234 has 24 divisors (see below), whose sum is σ = 821185092. Its totient is φ = 126216000.

The previous prime is 378828227. The next prime is 378828271. The reversal of 378828234 is 432828873.

It can be written as a sum of positive squares in 2 ways, for example, as 362788209 + 16040025 = 19047^2 + 4005^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 378828234.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50512 + ... + 57524.

Almost surely, 2378828234 is an apocalyptic number.

378828234 is an abundant number, since it is smaller than the sum of its proper divisors (442356858).

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

378828234 is a wasteful number, since it uses less digits than its factorization.

378828234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10022 (or 10019 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 378828234 is about 19463.5103205974. The cubic root of 378828234 is about 723.5703791503.

The spelling of 378828234 in words is "three hundred seventy-eight million, eight hundred twenty-eight thousand, two hundred thirty-four".

Divisors: 1 2 3 6 9 18 3001 6002 7013 9003 14026 18006 21039 27009 42078 54018 63117 126234 21046013 42092026 63138039 126276078 189414117 378828234