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27841442 = 213920721
BaseRepresentation
bin110101000110…
…1001110100010
31221101111021112
41222031032202
524111411232
62432423322
7455435246
oct152151642
957344245
1027841442
1114796762
1293a7b42
1359ca635
1439aa426
15269e4b2
hex1a8d3a2

27841442 has 4 divisors (see below), whose sum is σ = 41762166. Its totient is φ = 13920720.

The previous prime is 27841439. The next prime is 27841447. The reversal of 27841442 is 24414872.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 24810361 + 3031081 = 4981^2 + 1741^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27841399 and 27841408.

It is not an unprimeable number, because it can be changed into a prime (27841447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6960359 + ... + 6960362.

Almost surely, 227841442 is an apocalyptic number.

27841442 is a deficient number, since it is larger than the sum of its proper divisors (13920724).

27841442 is a wasteful number, since it uses less digits than its factorization.

27841442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13920723.

The product of its digits is 14336, while the sum is 32.

The square root of 27841442 is about 5276.4990287121. The cubic root of 27841442 is about 303.0846267411.

The spelling of 27841442 in words is "twenty-seven million, eight hundred forty-one thousand, four hundred forty-two".

Divisors: 1 2 13920721 27841442