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4187013 = 31395671
BaseRepresentation
bin1111111110001110000101
321212201111120
433332032011
52032441023
6225424153
750406015
oct17761605
97781446
104187013
1123aa846
12149b059
13b37a2c
147adc45
1557a8e3
hex3fe385

4187013 has 4 divisors (see below), whose sum is σ = 5582688. Its totient is φ = 2791340.

The previous prime is 4187009. The next prime is 4187021. The reversal of 4187013 is 3107814.

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 not a de Polignac number, because 4187013 - 22 = 4187009 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4187023) 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, 697833 + ... + 697838.

It is an arithmetic number, because the mean of its divisors is an integer number (1395672).

Almost surely, 24187013 is an apocalyptic number.

It is an amenable number.

4187013 is a deficient number, since it is larger than the sum of its proper divisors (1395675).

4187013 is a wasteful number, since it uses less digits than its factorization.

4187013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395674.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 4187013 is about 2046.2191964694. The cubic root of 4187013 is about 161.1763945058.

The spelling of 4187013 in words is "four million, one hundred eighty-seven thousand, thirteen".

Divisors: 1 3 1395671 4187013