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2620241 = 13201557
BaseRepresentation
bin1001111111101101010001
311221010021222
421333231101
51132321431
6132054425
731162121
oct11775521
94833258
102620241
11152a698
12a64415
13709850
144c2c81
1536b57b
hex27fb51

2620241 has 4 divisors (see below), whose sum is σ = 2821812. Its totient is φ = 2418672.

The previous prime is 2620231. The next prime is 2620253. The reversal of 2620241 is 1420262.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1274641 + 1345600 = 1129^2 + 1160^2 .

It is a cyclic number.

It is not a de Polignac number, because 2620241 - 214 = 2603857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2620231) 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, 100766 + ... + 100791.

It is an arithmetic number, because the mean of its divisors is an integer number (705453).

22620241 is an apocalyptic number.

It is an amenable number.

2620241 is a deficient number, since it is larger than the sum of its proper divisors (201571).

2620241 is a wasteful number, since it uses less digits than its factorization.

2620241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201570.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2620241 is about 1618.7158490606. The cubic root of 2620241 is about 137.8627950878.

The spelling of 2620241 in words is "two million, six hundred twenty thousand, two hundred forty-one".

Divisors: 1 13 201557 2620241