Search a number
-
+
378421495 = 5312639283
BaseRepresentation
bin10110100011100…
…100000011110111
3222101001210200221
4112203210003313
51233333441440
6101314515211
712243346444
oct2643440367
9871053627
10378421495
11184677741
12a6895b07
136052785a
14383889cb
152334ed4a
hex168e40f7

378421495 has 16 divisors (see below), whose sum is σ = 470587392. Its totient is φ = 291826080.

The previous prime is 378421489. The next prime is 378421501. The reversal of 378421495 is 594124873.

It is an interprime number because it is at equal distance from previous prime (378421489) and next prime (378421501).

It is not a de Polignac number, because 378421495 - 213 = 378413303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36124 + ... + 45406.

It is an arithmetic number, because the mean of its divisors is an integer number (29411712).

Almost surely, 2378421495 is an apocalyptic number.

378421495 is a deficient number, since it is larger than the sum of its proper divisors (92165897).

378421495 is a wasteful number, since it uses less digits than its factorization.

378421495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9582.

The product of its digits is 241920, while the sum is 43.

The square root of 378421495 is about 19453.0587569153. The cubic root of 378421495 is about 723.3113262268.

The spelling of 378421495 in words is "three hundred seventy-eight million, four hundred twenty-one thousand, four hundred ninety-five".

Divisors: 1 5 31 155 263 1315 8153 9283 40765 46415 287773 1438865 2441429 12207145 75684299 378421495