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4890195 = 325271401
BaseRepresentation
bin10010101001111001010011
3100012110002100
4102221321103
52222441240
6252451443
756365062
oct22517123
910173070
104890195
112840092
121779b83
131022b0b
149141d9
15668e30
hex4a9e53

4890195 has 24 divisors (see below), whose sum is σ = 8528832. Its totient is φ = 2592000.

The previous prime is 4890161. The next prime is 4890199. The reversal of 4890195 is 5910984.

It is not a de Polignac number, because 4890195 - 214 = 4873811 is a prime.

4890195 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4890199) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11995 + ... + 12395.

It is an arithmetic number, because the mean of its divisors is an integer number (355368).

Almost surely, 24890195 is an apocalyptic number.

4890195 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4890195 is a deficient number, since it is larger than the sum of its proper divisors (3638637).

4890195 is a wasteful number, since it uses less digits than its factorization.

4890195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683 (or 680 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 4890195 is about 2211.3785293341. The cubic root of 4890195 is about 169.7365585186.

The spelling of 4890195 in words is "four million, eight hundred ninety thousand, one hundred ninety-five".

Divisors: 1 3 5 9 15 45 271 401 813 1203 1355 2005 2439 3609 4065 6015 12195 18045 108671 326013 543355 978039 1630065 4890195