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2690441 = 13349593
BaseRepresentation
bin1010010000110110001001
312001200120222
422100312021
51142043231
6133355425
731603565
oct12206611
95050528
102690441
111578406
12a98b75
137327a0
145006a5
1538227b
hex290d89

2690441 has 8 divisors (see below), whose sum is σ = 2910600. Its totient is φ = 2472192.

The previous prime is 2690431. The next prime is 2690473. The reversal of 2690441 is 1440962.

It can be written as a sum of positive squares in 4 ways, for example, as 364816 + 2325625 = 604^2 + 1525^2 .

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 2690441 - 26 = 2690377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2690441.

It is not an unprimeable number, because it can be changed into a prime (2690411) 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, 4241 + ... + 4833.

It is an arithmetic number, because the mean of its divisors is an integer number (363825).

22690441 is an apocalyptic number.

It is an amenable number.

2690441 is a deficient number, since it is larger than the sum of its proper divisors (220159).

2690441 is a wasteful number, since it uses less digits than its factorization.

2690441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 2690441 is about 1640.2563823988. The cubic root of 2690441 is about 139.0831412612.

The spelling of 2690441 in words is "two million, six hundred ninety thousand, four hundred forty-one".

Divisors: 1 13 349 593 4537 7709 206957 2690441