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2090425 = 5283617
BaseRepresentation
bin111111110010110111001
310221012112011
413332112321
51013343200
6112445521
723524351
oct7762671
93835464
102090425
1111a8627
128498a1
1358264c
143c5b61
152b45ba
hex1fe5b9

2090425 has 6 divisors (see below), whose sum is σ = 2592158. Its totient is φ = 1672320.

The previous prime is 2090381. The next prime is 2090441. The reversal of 2090425 is 5240902.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 284089 + 1806336 = 533^2 + 1344^2 .

It is not a de Polignac number, because 2090425 - 219 = 1566137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2090396 and 2090405.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41784 + ... + 41833.

22090425 is an apocalyptic number.

2090425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2090425 is a deficient number, since it is larger than the sum of its proper divisors (501733).

2090425 is an equidigital number, since it uses as much as digits as its factorization.

2090425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83627 (or 83622 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2090425 is about 1445.8302113319. The cubic root of 2090425 is about 127.8629922375.

The spelling of 2090425 in words is "two million, ninety thousand, four hundred twenty-five".

Divisors: 1 5 25 83617 418085 2090425