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427402241 = 7434013541
BaseRepresentation
bin11001011110011…
…010010000000001
31002210020021122122
4121132122100001
51333403332431
6110224414025
713406600450
oct3136322001
91083207578
10427402241
111aa2916a2
12bb177315
136a717046
1440a98b97
15277c7a7b
hex1979a401

427402241 has 16 divisors (see below), whose sum is σ = 501207168. Its totient is φ = 356832000.

The previous prime is 427402237. The next prime is 427402247. The reversal of 427402241 is 142204724.

It is not a de Polignac number, because 427402241 - 22 = 427402237 is a prime.

It is a super-2 number, since 2×4274022412 = 365345351223644162, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 427402241.

It is not an unprimeable number, because it can be changed into a prime (427402247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118931 + ... + 122471.

It is an arithmetic number, because the mean of its divisors is an integer number (31325448).

Almost surely, 2427402241 is an apocalyptic number.

It is an amenable number.

427402241 is a deficient number, since it is larger than the sum of its proper divisors (73804927).

427402241 is a wasteful number, since it uses less digits than its factorization.

427402241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3992.

The product of its (nonzero) digits is 3584, while the sum is 26.

The square root of 427402241 is about 20673.7089318777. The cubic root of 427402241 is about 753.2612009450.

Adding to 427402241 its reverse (142204724), we get a palindrome (569606965).

The spelling of 427402241 in words is "four hundred twenty-seven million, four hundred two thousand, two hundred forty-one".

Divisors: 1 7 43 301 401 2807 3541 17243 24787 120701 152263 1065841 1419941 9939587 61057463 427402241