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427171024 = 2472544861
BaseRepresentation
bin11001011101100…
…001110011010000
31002202210112111001
4121131201303100
51333323433044
6110215431344
713404615400
oct3135416320
91082715431
10427171024
111aa143a05
12bb085554
136a665a27
1440a38800
152777e2d4
hex19761cd0

427171024 has 30 divisors (see below), whose sum is σ = 962771154. Its totient is φ = 183072960.

The previous prime is 427171021. The next prime is 427171027. The reversal of 427171024 is 420171724.

It is an interprime number because it is at equal distance from previous prime (427171021) and next prime (427171027).

It can be written as a sum of positive squares in only one way, i.e., 254721600 + 172449424 = 15960^2 + 13132^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 427170983 and 427171001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427171021) 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, 271647 + ... + 273214.

Almost surely, 2427171024 is an apocalyptic number.

It is an amenable number.

427171024 is an abundant number, since it is smaller than the sum of its proper divisors (535600130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

427171024 is a wasteful number, since it uses less digits than its factorization.

427171024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544883 (or 544870 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 427171024 is about 20668.1161212143. The cubic root of 427171024 is about 753.1253428119.

The spelling of 427171024 in words is "four hundred twenty-seven million, one hundred seventy-one thousand, twenty-four".

Divisors: 1 2 4 7 8 14 16 28 49 56 98 112 196 392 784 544861 1089722 2179444 3814027 4358888 7628054 8717776 15256108 26698189 30512216 53396378 61024432 106792756 213585512 427171024