Search a number
-
+
4078395 = 32590631
BaseRepresentation
bin1111100011101100111011
321200012111200
433203230323
52021002040
6223225243
746444236
oct17435473
97605450
104078395
112336182
121448223
13aca469
1478241d
15558630
hex3e3b3b

4078395 has 12 divisors (see below), whose sum is σ = 7069296. Its totient is φ = 2175120.

The previous prime is 4078387. The next prime is 4078397. The reversal of 4078395 is 5938704.

It is not a de Polignac number, because 4078395 - 23 = 4078387 is a prime.

It is a super-3 number, since 3×40783953 (a number of 21 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (4078397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45271 + ... + 45360.

It is an arithmetic number, because the mean of its divisors is an integer number (589108).

Almost surely, 24078395 is an apocalyptic number.

4078395 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4078395 is a deficient number, since it is larger than the sum of its proper divisors (2990901).

4078395 is a wasteful number, since it uses less digits than its factorization.

4078395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90642 (or 90639 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 4078395 is about 2019.5036518907. The cubic root of 4078395 is about 159.7704390227.

The spelling of 4078395 in words is "four million, seventy-eight thousand, three hundred ninety-five".

Divisors: 1 3 5 9 15 45 90631 271893 453155 815679 1359465 4078395