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27471942 = 2322835393
BaseRepresentation
bin110100011001…
…1000001000110
31220200201102100
41220303001012
524013100232
62420452530
7452336061
oct150630106
956621370
1027471942
1114564093
12924a146
1358cb3b4
1439118d8
152629c7c
hex1a33046

27471942 has 24 divisors (see below), whose sum is σ = 59743944. Its totient is φ = 9123264.

The previous prime is 27471919. The next prime is 27471947. The reversal of 27471942 is 24917472.

It is a junction number, because it is equal to n+sod(n) for n = 27471897 and 27471906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27471947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2398 + ... + 7790.

It is an arithmetic number, because the mean of its divisors is an integer number (2489331).

Almost surely, 227471942 is an apocalyptic number.

27471942 is an abundant number, since it is smaller than the sum of its proper divisors (32272002).

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

27471942 is a wasteful number, since it uses less digits than its factorization.

27471942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5684 (or 5681 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 27471942 is about 5241.3683327925. The cubic root of 27471942 is about 301.7378468555.

It can be divided in two parts, 27 and 471942, that added together give a square (471969 = 6872).

The spelling of 27471942 in words is "twenty-seven million, four hundred seventy-one thousand, nine hundred forty-two".

Divisors: 1 2 3 6 9 18 283 566 849 1698 2547 5094 5393 10786 16179 32358 48537 97074 1526219 3052438 4578657 9157314 13735971 27471942