Search a number
-
+
4378995 = 335163199
BaseRepresentation
bin10000101101000101110011
322020110212000
4100231011303
52110111440
6233505043
752135515
oct20550563
98213760
104378995
112521005
121572183
13ba422a
1481dbb5
155b7730
hex42d173

4378995 has 32 divisors (see below), whose sum is σ = 7872000. Its totient is φ = 2309472.

The previous prime is 4378981. The next prime is 4379003. The reversal of 4378995 is 5998734.

It is not a de Polignac number, because 4378995 - 25 = 4378963 is a prime.

It is a super-4 number, since 4×43789954 (a number of 28 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 4378995.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21906 + ... + 22104.

It is an arithmetic number, because the mean of its divisors is an integer number (246000).

Almost surely, 24378995 is an apocalyptic number.

4378995 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4378995 is a deficient number, since it is larger than the sum of its proper divisors (3493005).

4378995 is a wasteful number, since it uses less digits than its factorization.

4378995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376 (or 370 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 4378995 is about 2092.6048360835. The cubic root of 4378995 is about 163.6030828782.

The spelling of 4378995 in words is "four million, three hundred seventy-eight thousand, nine hundred ninety-five".

Divisors: 1 3 5 9 15 27 45 135 163 199 489 597 815 995 1467 1791 2445 2985 4401 5373 7335 8955 22005 26865 32437 97311 162185 291933 486555 875799 1459665 4378995