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378483239 = 23139118387
BaseRepresentation
bin10110100011110…
…011001000100111
3222101011221101202
4112203303020213
51233342430424
6101320113115
712244024451
oct2643631047
9871157352
10378483239
1118470a072
12a690579b
13605499a4
14383a32d1
15233632ae
hex168f3227

378483239 has 8 divisors (see below), whose sum is σ = 397783680. Its totient is φ = 359419896.

The previous prime is 378483191. The next prime is 378483271. The reversal of 378483239 is 932384873.

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

It is a de Polignac number, because none of the positive numbers 2k-378483239 is a prime.

It is a super-2 number, since 2×3784832392 = 286499124407862242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 378483193 and 378483202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378483139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55997 + ... + 62390.

It is an arithmetic number, because the mean of its divisors is an integer number (49722960).

Almost surely, 2378483239 is an apocalyptic number.

378483239 is a deficient number, since it is larger than the sum of its proper divisors (19300441).

378483239 is a wasteful number, since it uses less digits than its factorization.

378483239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118549.

The product of its digits is 870912, while the sum is 47.

The square root of 378483239 is about 19454.6456919678. The cubic root of 378483239 is about 723.3506630566.

The spelling of 378483239 in words is "three hundred seventy-eight million, four hundred eighty-three thousand, two hundred thirty-nine".

Divisors: 1 23 139 3197 118387 2722901 16455793 378483239