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5211739 = 13400903
BaseRepresentation
bin10011111000011001011011
3100210210011101
4103320121123
52313233424
6303412231
762204401
oct23703133
910723141
105211739
112a3a725
1218b4077
131106290
14999471
156ce344
hex4f865b

5211739 has 4 divisors (see below), whose sum is σ = 5612656. Its totient is φ = 4810824.

The previous prime is 5211727. The next prime is 5211743. The reversal of 5211739 is 9371125.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5211739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5211749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200439 + ... + 200464.

It is an arithmetic number, because the mean of its divisors is an integer number (1403164).

Almost surely, 25211739 is an apocalyptic number.

5211739 is a deficient number, since it is larger than the sum of its proper divisors (400917).

5211739 is a wasteful number, since it uses less digits than its factorization.

5211739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400916.

The product of its digits is 1890, while the sum is 28.

The square root of 5211739 is about 2282.9233451870. The cubic root of 5211739 is about 173.3780920737.

The spelling of 5211739 in words is "five million, two hundred eleven thousand, seven hundred thirty-nine".

Divisors: 1 13 400903 5211739