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2449081 = 19831553
BaseRepresentation
bin1001010101111010111001
311121102111201
421111322321
51111332311
6124254201
726550115
oct11257271
94542451
102449081
111423038
129a1361
1367997b
1447a745
153359c1
hex255eb9

2449081 has 8 divisors (see below), whose sum is σ = 2610720. Its totient is φ = 2290752.

The previous prime is 2449061. The next prime is 2449087. The reversal of 2449081 is 1809442.

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 2449081 - 29 = 2448569 is a prime.

It is a super-2 number, since 2×24490812 = 11995995489122, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2449087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 801 + ... + 2353.

It is an arithmetic number, because the mean of its divisors is an integer number (326340).

22449081 is an apocalyptic number.

It is an amenable number.

2449081 is a deficient number, since it is larger than the sum of its proper divisors (161639).

2449081 is a wasteful number, since it uses less digits than its factorization.

2449081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 2449081 is about 1564.9539929340. The cubic root of 2449081 is about 134.7931170486.

The spelling of 2449081 in words is "two million, four hundred forty-nine thousand, eighty-one".

Divisors: 1 19 83 1553 1577 29507 128899 2449081