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427031427 = 3187176079
BaseRepresentation
bin11001011100111…
…111101110000011
31002202112102222210
4121130333232003
51333310001202
6110212433203
713403464404
oct3134775603
91082472883
10427031427
111aa059039
12bb018803
136a617324
14409dd9ab
1527752c6c
hex1973fb83

427031427 has 8 divisors (see below), whose sum is σ = 569687040. Its totient is φ = 284531720.

The previous prime is 427031411. The next prime is 427031447. The reversal of 427031427 is 724130724.

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 427031427 - 24 = 427031411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 427031394 and 427031403.

It is not an unprimeable number, because it can be changed into a prime (427031447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32427 + ... + 43652.

It is an arithmetic number, because the mean of its divisors is an integer number (71210880).

Almost surely, 2427031427 is an apocalyptic number.

427031427 is a deficient number, since it is larger than the sum of its proper divisors (142655613).

427031427 is a wasteful number, since it uses less digits than its factorization.

427031427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77953.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 427031427 is about 20664.7387353434. The cubic root of 427031427 is about 753.0432948834.

The spelling of 427031427 in words is "four hundred twenty-seven million, thirty-one thousand, four hundred twenty-seven".

Divisors: 1 3 1871 5613 76079 228237 142343809 427031427