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2541985 = 51633119
BaseRepresentation
bin1001101100100110100001
311210010221121
421230212201
51122320420
6130252241
730415015
oct11544641
94703847
102541985
111486916
12a27081
136b0044
144a2545
153532aa
hex26c9a1

2541985 has 8 divisors (see below), whose sum is σ = 3070080. Its totient is φ = 2020464.

The previous prime is 2541967. The next prime is 2541997. The reversal of 2541985 is 5891452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2541985 - 221 = 444833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2541985.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 745 + ... + 2374.

It is an arithmetic number, because the mean of its divisors is an integer number (383760).

22541985 is an apocalyptic number.

It is an amenable number.

2541985 is a deficient number, since it is larger than the sum of its proper divisors (528095).

2541985 is a wasteful number, since it uses less digits than its factorization.

2541985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3287.

The product of its digits is 14400, while the sum is 34.

The square root of 2541985 is about 1594.3603733159. The cubic root of 2541985 is about 136.4764323966.

The spelling of 2541985 in words is "two million, five hundred forty-one thousand, nine hundred eighty-five".

Divisors: 1 5 163 815 3119 15595 508397 2541985