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2492889 = 37118709
BaseRepresentation
bin1001100000100111011001
311200122121020
421200213121
51114233024
6125233053
730121620
oct11404731
94618536
102492889
111452a43
12a02789
136938a9
1448c6b7
15343979
hex2609d9

2492889 has 8 divisors (see below), whose sum is σ = 3798720. Its totient is φ = 1424496.

The previous prime is 2492879. The next prime is 2492899. The reversal of 2492889 is 9882942.

It is an interprime number because it is at equal distance from previous prime (2492879) and next prime (2492899).

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

It is not a de Polignac number, because 2492889 - 213 = 2484697 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2492889.

It is not an unprimeable number, because it can be changed into a prime (2492879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59334 + ... + 59375.

It is an arithmetic number, because the mean of its divisors is an integer number (474840).

22492889 is an apocalyptic number.

It is an amenable number.

2492889 is a deficient number, since it is larger than the sum of its proper divisors (1305831).

2492889 is a wasteful number, since it uses less digits than its factorization.

2492889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118719.

The product of its digits is 82944, while the sum is 42.

The square root of 2492889 is about 1578.8885331144. Note that the first 3 decimals coincide. The cubic root of 2492889 is about 135.5920771382.

The spelling of 2492889 in words is "two million, four hundred ninety-two thousand, eight hundred eighty-nine".

Divisors: 1 3 7 21 118709 356127 830963 2492889