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427330871 = 11371049953
BaseRepresentation
bin11001011110001…
…000110100110111
31002210002122202022
4121132020310313
51333344041441
6110223103355
713406152412
oct3136106467
91083078668
10427330871
111aa243010
12bb141b5b
136a6c0706
1440a7ab79
15277b184b
hex19788d37

427330871 has 8 divisors (see below), whose sum is σ = 478779024. Its totient is φ = 377982720.

The previous prime is 427330867. The next prime is 427330901. The reversal of 427330871 is 178033724.

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 427330871 - 22 = 427330867 is a prime.

It is a super-2 number, since 2×4273308712 = 365223346619237282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427330801) 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, 524570 + ... + 525383.

It is an arithmetic number, because the mean of its divisors is an integer number (59847378).

Almost surely, 2427330871 is an apocalyptic number.

427330871 is a deficient number, since it is larger than the sum of its proper divisors (51448153).

427330871 is a wasteful number, since it uses less digits than its factorization.

427330871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050001.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 427330871 is about 20671.9827544433. The cubic root of 427330871 is about 753.2192706980.

The spelling of 427330871 in words is "four hundred twenty-seven million, three hundred thirty thousand, eight hundred seventy-one".

Divisors: 1 11 37 407 1049953 11549483 38848261 427330871