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3628913 = 5961507
BaseRepresentation
bin1101110101111101110001
320211100221012
431311331301
51412111123
6205440305
742562631
oct15657561
96740835
103628913
112059502
121270095
139a09b2
146a66c1
154ba378
hex375f71

3628913 has 4 divisors (see below), whose sum is σ = 3690480. Its totient is φ = 3567348.

The previous prime is 3628897. The next prime is 3628927. The reversal of 3628913 is 3198263.

3628913 is nontrivially palindromic in base 11.

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: 3198263 = 12012663.

It is a cyclic number.

It is not a de Polignac number, because 3628913 - 24 = 3628897 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3628913.

It is not an unprimeable number, because it can be changed into a prime (3618913) 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, 30695 + ... + 30812.

It is an arithmetic number, because the mean of its divisors is an integer number (922620).

Almost surely, 23628913 is an apocalyptic number.

It is an amenable number.

3628913 is a deficient number, since it is larger than the sum of its proper divisors (61567).

3628913 is an equidigital number, since it uses as much as digits as its factorization.

3628913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61566.

The product of its digits is 7776, while the sum is 32.

The square root of 3628913 is about 1904.9706034477. The cubic root of 3628913 is about 153.6710948596.

The spelling of 3628913 in words is "three million, six hundred twenty-eight thousand, nine hundred thirteen".

Divisors: 1 59 61507 3628913