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378442733 = 678368053
BaseRepresentation
bin10110100011101…
…001001111101101
3222101002212211112
4112203221033231
51233340131413
6101315201405
712243465404
oct2643511755
9871085745
10378442733
11184691699
12a68a6265
1360534416
143839263b
15233562a8
hex168e93ed

378442733 has 8 divisors (see below), whose sum is σ = 388724448. Its totient is φ = 368297424.

The previous prime is 378442723. The next prime is 378442739. The reversal of 378442733 is 337244873.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 378442733 - 24 = 378442717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378442739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28466 + ... + 39587.

It is an arithmetic number, because the mean of its divisors is an integer number (48590556).

Almost surely, 2378442733 is an apocalyptic number.

It is an amenable number.

378442733 is a deficient number, since it is larger than the sum of its proper divisors (10281715).

378442733 is an equidigital number, since it uses as much as digits as its factorization.

378442733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68203.

The product of its digits is 338688, while the sum is 41.

The square root of 378442733 is about 19453.6046274206. The cubic root of 378442733 is about 723.3248573456.

The spelling of 378442733 in words is "three hundred seventy-eight million, four hundred forty-two thousand, seven hundred thirty-three".

Divisors: 1 67 83 5561 68053 4559551 5648399 378442733