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427041231 = 310110311367
BaseRepresentation
bin11001011101000…
…010000111001111
31002202112221102220
4121131002013033
51333310304411
6110212550423
713403535111
oct3135020717
91082487386
10427041231
111aa065441
12bb022413
136a61b926
1440a033b1
1527755b06
hex197421cf

427041231 has 16 divisors (see below), whose sum is σ = 576004608. Its totient is φ = 281396000.

The previous prime is 427041227. The next prime is 427041247. The reversal of 427041231 is 132140724.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 427041231 - 22 = 427041227 is a prime.

It is a super-2 number, since 2×4270412312 = 364728425947990722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427041031) 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, 311710 + ... + 313076.

It is an arithmetic number, because the mean of its divisors is an integer number (36000288).

Almost surely, 2427041231 is an apocalyptic number.

427041231 is a deficient number, since it is larger than the sum of its proper divisors (148963377).

427041231 is a wasteful number, since it uses less digits than its factorization.

427041231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2502.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 427041231 is about 20664.9759496594. The cubic root of 427041231 is about 753.0490577535.

Adding to 427041231 its reverse (132140724), we get a palindrome (559181955).

The spelling of 427041231 in words is "four hundred twenty-seven million, forty-one thousand, two hundred thirty-one".

Divisors: 1 3 101 303 1031 1367 3093 4101 104131 138067 312393 414201 1409377 4228131 142347077 427041231