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2508890 = 25250889
BaseRepresentation
bin1001100100100001011010
311201110112212
421210201122
51120241030
6125435122
730216356
oct11444132
94643485
102508890
111463a6a
12a0baa2
1369ac67
14494466
15348595
hex26485a

2508890 has 8 divisors (see below), whose sum is σ = 4516020. Its totient is φ = 1003552.

The previous prime is 2508871. The next prime is 2508899. The reversal of 2508890 is 988052.

It can be written as a sum of positive squares in 2 ways, for example, as 2229049 + 279841 = 1493^2 + 529^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2508899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125435 + ... + 125454.

22508890 is an apocalyptic number.

2508890 is a deficient number, since it is larger than the sum of its proper divisors (2007130).

2508890 is a wasteful number, since it uses less digits than its factorization.

2508890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250896.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 2508890 is about 1583.9476001434. The cubic root of 2508890 is about 135.8815649998.

The spelling of 2508890 in words is "two million, five hundred eight thousand, eight hundred ninety".

Divisors: 1 2 5 10 250889 501778 1254445 2508890