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419109 = 3139703
BaseRepresentation
bin1100110010100100101
3210021220120
41212110211
5101402414
612552153
73363615
oct1462445
9707816
10419109
11266979
12182659
131189c2
14aca45
15842a9
hex66525

419109 has 4 divisors (see below), whose sum is σ = 558816. Its totient is φ = 279404.

The previous prime is 419087. The next prime is 419141. The reversal of 419109 is 901914.

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 419109 - 27 = 418981 is a prime.

It is a D-number.

419109 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (419189) 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, 69849 + ... + 69854.

It is an arithmetic number, because the mean of its divisors is an integer number (139704).

2419109 is an apocalyptic number.

It is an amenable number.

419109 is a deficient number, since it is larger than the sum of its proper divisors (139707).

419109 is a wasteful number, since it uses less digits than its factorization.

419109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139706.

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 419109 is about 647.3862834506. The cubic root of 419109 is about 74.8357293536.

It can be divided in two parts, 419 and 109, that added together give a triangular number (528 = T32).

The spelling of 419109 in words is "four hundred nineteen thousand, one hundred nine".

Divisors: 1 3 139703 419109