Search a number
-
+
1427261 = 11196829
BaseRepresentation
bin101011100011100111101
32200111211112
411130130331
5331133021
650331405
715063053
oct5343475
92614745
101427261
11895360
12589b65
133ac844
142921d3
151d2d5b
hex15c73d

1427261 has 8 divisors (see below), whose sum is σ = 1639200. Its totient is φ = 1229040.

The previous prime is 1427233. The next prime is 1427281. The reversal of 1427261 is 1627241.

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

It is a cyclic number.

It is not a de Polignac number, because 1427261 - 210 = 1426237 is a prime.

It is a d-powerful number, because it can be written as 1 + 4 + 215 + 77 + 219 + 66 + 1 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3206 + ... + 3623.

It is an arithmetic number, because the mean of its divisors is an integer number (204900).

21427261 is an apocalyptic number.

1427261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1427261 is a deficient number, since it is larger than the sum of its proper divisors (211939).

1427261 is a wasteful number, since it uses less digits than its factorization.

1427261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6859.

The product of its digits is 672, while the sum is 23.

The square root of 1427261 is about 1194.6802919610. The cubic root of 1427261 is about 112.5903406033.

The spelling of 1427261 in words is "one million, four hundred twenty-seven thousand, two hundred sixty-one".

Divisors: 1 11 19 209 6829 75119 129751 1427261