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378389625 = 3531576427
BaseRepresentation
bin10110100011011…
…100010001111001
3222101000011222120
4112203130101321
51233331432000
6101314111453
712243154515
oct2643342171
9871004876
10378389625
111846557a9
12a687b589
13605161b3
143837b145
15233456a0
hex168dc479

378389625 has 32 divisors (see below), whose sum is σ = 633749376. Its totient is φ = 200491200.

The previous prime is 378389623. The next prime is 378389633. The reversal of 378389625 is 526983873.

It is not a de Polignac number, because 378389625 - 21 = 378389623 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (378389623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55662 + ... + 62088.

It is an arithmetic number, because the mean of its divisors is an integer number (19804668).

Almost surely, 2378389625 is an apocalyptic number.

It is an amenable number.

378389625 is a deficient number, since it is larger than the sum of its proper divisors (255359751).

378389625 is a wasteful number, since it uses less digits than its factorization.

378389625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6602 (or 6592 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 51.

The square root of 378389625 is about 19452.2395882839. The cubic root of 378389625 is about 723.2910203162.

The spelling of 378389625 in words is "three hundred seventy-eight million, three hundred eighty-nine thousand, six hundred twenty-five".

Divisors: 1 3 5 15 25 75 125 157 375 471 785 2355 3925 6427 11775 19281 19625 32135 58875 96405 160675 482025 803375 1009039 2410125 3027117 5045195 15135585 25225975 75677925 126129875 378389625