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4148013 = 31382671
BaseRepresentation
bin1111110100101100101101
321210202000010
433310230231
52030214023
6224523433
750154222
oct17645455
97722003
104148013
112383511
121480579
13b2305c
1479d949
1556e093
hex3f4b2d

4148013 has 4 divisors (see below), whose sum is σ = 5530688. Its totient is φ = 2765340.

The previous prime is 4148009. The next prime is 4148029. The reversal of 4148013 is 3108414.

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 not a de Polignac number, because 4148013 - 22 = 4148009 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4148003) 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, 691333 + ... + 691338.

It is an arithmetic number, because the mean of its divisors is an integer number (1382672).

Almost surely, 24148013 is an apocalyptic number.

It is an amenable number.

4148013 is a deficient number, since it is larger than the sum of its proper divisors (1382675).

4148013 is a wasteful number, since it uses less digits than its factorization.

4148013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382674.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 4148013 is about 2036.6671303873. The cubic root of 4148013 is about 160.6744059639.

The spelling of 4148013 in words is "four million, one hundred forty-eight thousand, thirteen".

Divisors: 1 3 1382671 4148013