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378393320 = 2359459833
BaseRepresentation
bin10110100011011…
…101001011101000
3222101000101001102
4112203131023220
51233332041240
6101314140532
712243201344
oct2643351350
9871011042
10378393320
11184658558
12a6881748
1360517a96
143837c624
1523346815
hex168dd2e8

378393320 has 16 divisors (see below), whose sum is σ = 851385060. Its totient is φ = 151357312.

The previous prime is 378393317. The next prime is 378393329. The reversal of 378393320 is 23393873.

It can be written as a sum of positive squares in 2 ways, for example, as 377991364 + 401956 = 19442^2 + 634^2 .

It is not an unprimeable number, because it can be changed into a prime (378393329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4729877 + ... + 4729956.

Almost surely, 2378393320 is an apocalyptic number.

It is an amenable number.

378393320 is an abundant number, since it is smaller than the sum of its proper divisors (472991740).

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

378393320 is a wasteful number, since it uses less digits than its factorization.

378393320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9459844 (or 9459840 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 38.

The square root of 378393320 is about 19452.3345642625. The cubic root of 378393320 is about 723.2933746369.

The spelling of 378393320 in words is "three hundred seventy-eight million, three hundred ninety-three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 9459833 18919666 37839332 47299165 75678664 94598330 189196660 378393320