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2687413 = 4757179
BaseRepresentation
bin1010010000000110110101
312001112102211
422100012311
51141444123
6133333421
731562011
oct12200665
95045384
102687413
111576103
12a97271
137312b1
144dd541
1538140d
hex2901b5

2687413 has 4 divisors (see below), whose sum is σ = 2744640. Its totient is φ = 2630188.

The previous prime is 2687393. The next prime is 2687423. The reversal of 2687413 is 3147862.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3147862 = 21573931.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2687413 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 (2687423) 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, 28543 + ... + 28636.

It is an arithmetic number, because the mean of its divisors is an integer number (686160).

22687413 is an apocalyptic number.

It is an amenable number.

2687413 is a deficient number, since it is larger than the sum of its proper divisors (57227).

2687413 is an equidigital number, since it uses as much as digits as its factorization.

2687413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57226.

The product of its digits is 8064, while the sum is 31.

The square root of 2687413 is about 1639.3330961095. Note that the first 3 decimals coincide. The cubic root of 2687413 is about 139.0309438898.

The spelling of 2687413 in words is "two million, six hundred eighty-seven thousand, four hundred thirteen".

Divisors: 1 47 57179 2687413