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378684241 = 13414911447
BaseRepresentation
bin10110100100100…
…100001101010001
3222101120011010021
4112210210031101
51233420343431
6101324303441
712245522455
oct2644441521
9871504107
10378684241
11184837091
12a69a1b81
13605ba320
1438416665
15233a2b11
hex16924351

378684241 has 16 divisors (see below), whose sum is σ = 418900608. Its totient is φ = 340099200.

The previous prime is 378684221. The next prime is 378684283. The reversal of 378684241 is 142486873.

It is a cyclic number.

It is not a de Polignac number, because 378684241 - 27 = 378684113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (378684221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260980 + ... + 262426.

It is an arithmetic number, because the mean of its divisors is an integer number (26181288).

Almost surely, 2378684241 is an apocalyptic number.

It is an amenable number.

378684241 is a deficient number, since it is larger than the sum of its proper divisors (40216367).

378684241 is a wasteful number, since it uses less digits than its factorization.

378684241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1992.

The product of its digits is 258048, while the sum is 43.

The square root of 378684241 is about 19459.8109189170. The cubic root of 378684241 is about 723.4786909181.

The spelling of 378684241 in words is "three hundred seventy-eight million, six hundred eighty-four thousand, two hundred forty-one".

Divisors: 1 13 41 491 533 1447 6383 18811 20131 59327 261703 710477 771251 9236201 29129557 378684241