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2140597 = 19112663
BaseRepresentation
bin1000001010100110110101
311000202100101
420022212311
51021444342
6113514101
724123544
oct10124665
94022311
102140597
111232298
12872931
1359c434
143da15b
152c43b7
hex20a9b5

2140597 has 4 divisors (see below), whose sum is σ = 2253280. Its totient is φ = 2027916.

The previous prime is 2140591. The next prime is 2140601. The reversal of 2140597 is 7950412.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2k-2140597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140591) 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, 56313 + ... + 56350.

It is an arithmetic number, because the mean of its divisors is an integer number (563320).

22140597 is an apocalyptic number.

It is an amenable number.

2140597 is a deficient number, since it is larger than the sum of its proper divisors (112683).

2140597 is a wasteful number, since it uses less digits than its factorization.

2140597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112682.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 2140597 is about 1463.0779200029. The cubic root of 2140597 is about 128.8778564620.

The spelling of 2140597 in words is "two million, one hundred forty thousand, five hundred ninety-seven".

Divisors: 1 19 112663 2140597