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2690797 = 4757251
BaseRepresentation
bin1010010000111011101101
312001201002011
422100323231
51142101142
6133401221
731604614
oct12207355
95051064
102690797
1115786aa
12a99211
137329b5
1450087b
15382417
hex290eed

2690797 has 4 divisors (see below), whose sum is σ = 2748096. Its totient is φ = 2633500.

The previous prime is 2690783. The next prime is 2690803. The reversal of 2690797 is 7970962.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2690797 - 219 = 2166509 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2690717) 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, 28579 + ... + 28672.

It is an arithmetic number, because the mean of its divisors is an integer number (687024).

22690797 is an apocalyptic number.

It is an amenable number.

2690797 is a deficient number, since it is larger than the sum of its proper divisors (57299).

2690797 is an equidigital number, since it uses as much as digits as its factorization.

2690797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57298.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 2690797 is about 1640.3648984296. The cubic root of 2690797 is about 139.0892754990.

The spelling of 2690797 in words is "two million, six hundred ninety thousand, seven hundred ninety-seven".

Divisors: 1 47 57251 2690797