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419138 = 2209569
BaseRepresentation
bin1100110010101000010
3210021221122
41212111002
5101403023
612552242
73363656
oct1462502
9707848
10419138
112669a5
12182682
13118a15
14aca66
15842c8
hex66542

419138 has 4 divisors (see below), whose sum is σ = 628710. Its totient is φ = 209568.

The previous prime is 419087. The next prime is 419141. The reversal of 419138 is 831914.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 831914 = 2415957.

It can be written as a sum of positive squares in only one way, i.e., 418609 + 529 = 647^2 + 23^2 .

It is a nialpdrome in base 16.

It is an unprimeable number.

419138 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104783 + ... + 104786.

2419138 is an apocalyptic number.

419138 is a deficient number, since it is larger than the sum of its proper divisors (209572).

419138 is a wasteful number, since it uses less digits than its factorization.

419138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209571.

The product of its digits is 864, while the sum is 26.

The square root of 419138 is about 647.4086808192. The cubic root of 419138 is about 74.8374553852.

The spelling of 419138 in words is "four hundred nineteen thousand, one hundred thirty-eight".

Divisors: 1 2 209569 419138