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2385081 = 32436163
BaseRepresentation
bin1001000110010010111001
311111011201100
421012102321
51102310311
6123042013
726162406
oct11062271
94434640
102385081
111389a46
12970309
136567ba
144612ad
15321a56
hex2464b9

2385081 has 12 divisors (see below), whose sum is σ = 3525808. Its totient is φ = 1552824.

The previous prime is 2385073. The next prime is 2385107. The reversal of 2385081 is 1805832.

It is a happy number.

It is not a de Polignac number, because 2385081 - 23 = 2385073 is a prime.

It is a super-2 number, since 2×23850812 = 11377222753122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2385041) 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, 2695 + ... + 3468.

22385081 is an apocalyptic number.

It is an amenable number.

2385081 is a deficient number, since it is larger than the sum of its proper divisors (1140727).

2385081 is a wasteful number, since it uses less digits than its factorization.

2385081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6212 (or 6209 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 2385081 is about 1544.3707456437. The cubic root of 2385081 is about 133.6085890052.

The spelling of 2385081 in words is "two million, three hundred eighty-five thousand, eighty-one".

Divisors: 1 3 9 43 129 387 6163 18489 55467 265009 795027 2385081