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427090847 = 1721477823
BaseRepresentation
bin11001011101001…
…110001110011111
31002202122110111112
4121131032032133
51333313401342
6110214012235
713404132551
oct3135161637
91082573445
10427090847
111aa099747
12bb04707b
136a6383a1
1440a174d1
1527765682
hex1974e39f

427090847 has 6 divisors (see below), whose sum is σ = 453691968. Its totient is φ = 401967584.

The previous prime is 427090823. The next prime is 427090871. The reversal of 427090847 is 748090724.

It is an interprime number because it is at equal distance from previous prime (427090823) and next prime (427090871).

It is not a de Polignac number, because 427090847 - 28 = 427090591 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 (427090877) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 738623 + ... + 739200.

It is an arithmetic number, because the mean of its divisors is an integer number (75615328).

Almost surely, 2427090847 is an apocalyptic number.

427090847 is a deficient number, since it is larger than the sum of its proper divisors (26601121).

427090847 is a wasteful number, since it uses less digits than its factorization.

427090847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477857 (or 1477840 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 427090847 is about 20666.1764000988. The cubic root of 427090847 is about 753.0782210851.

The spelling of 427090847 in words is "four hundred twenty-seven million, ninety thousand, eight hundred forty-seven".

Divisors: 1 17 289 1477823 25122991 427090847