Search a number
-
+
1041405 = 3569427
BaseRepresentation
bin11111110001111111101
31221220112120
43332033331
5231311110
634153153
711565111
oct3761775
91856476
101041405
11651472
124227b9
132a6021
141d1741
15158870
hexfe3fd

1041405 has 8 divisors (see below), whose sum is σ = 1666272. Its totient is φ = 555408.

The previous prime is 1041373. The next prime is 1041421. The reversal of 1041405 is 5041401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1041405 - 25 = 1041373 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 69427 = 1041405 / (1 + 0 + 4 + 1 + 4 + 0 + 5).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34699 + ... + 34728.

It is an arithmetic number, because the mean of its divisors is an integer number (208284).

21041405 is an apocalyptic number.

1041405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1041405 is a deficient number, since it is larger than the sum of its proper divisors (624867).

1041405 is an equidigital number, since it uses as much as digits as its factorization.

1041405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69435.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 1041405 is about 1020.4925281451. The cubic root of 1041405 is about 101.3615444979.

Adding to 1041405 its reverse (5041401), we get a palindrome (6082806).

The spelling of 1041405 in words is "one million, forty-one thousand, four hundred five".

Divisors: 1 3 5 15 69427 208281 347135 1041405