Search a number
-
+
427677271 = 7315413643
BaseRepresentation
bin11001011111011…
…101011001010111
31002210202020220221
4121133131121113
51333441133041
6110234335211
713412124340
oct3137353127
91083666827
10427677271
111aa45a29a
12bb28a507
136a7b2298
1440b2b0c7
152782e2d1
hex197dd657

427677271 has 16 divisors (see below), whose sum is σ = 505612288. Its totient is φ = 354002400.

The previous prime is 427677247. The next prime is 427677277. The reversal of 427677271 is 172776724.

It is a cyclic number.

It is not a de Polignac number, because 427677271 - 213 = 427669079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427677277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115576 + ... + 119218.

It is an arithmetic number, because the mean of its divisors is an integer number (31600768).

Almost surely, 2427677271 is an apocalyptic number.

427677271 is a deficient number, since it is larger than the sum of its proper divisors (77935017).

427677271 is a wasteful number, since it uses less digits than its factorization.

427677271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4222.

The product of its digits is 230496, while the sum is 43.

The square root of 427677271 is about 20680.3595471646. The cubic root of 427677271 is about 753.4227388647.

The spelling of 427677271 in words is "four hundred twenty-seven million, six hundred seventy-seven thousand, two hundred seventy-one".

Divisors: 1 7 31 217 541 3643 3787 16771 25501 112933 117397 790531 1970863 13796041 61096753 427677271