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1427742 = 23279319
BaseRepresentation
bin101011100100100011110
32200112111100
411130210132
5331141432
650333530
715064341
oct5344436
92615440
101427742
11895758
1258a2a6
133acb24
14292458
151d307c
hex15c91e

1427742 has 12 divisors (see below), whose sum is σ = 3093480. Its totient is φ = 475908.

The previous prime is 1427737. The next prime is 1427747. The reversal of 1427742 is 2477241.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1427737) and next prime (1427747).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39642 + ... + 39677.

It is an arithmetic number, because the mean of its divisors is an integer number (257790).

21427742 is an apocalyptic number.

1427742 is an abundant number, since it is smaller than the sum of its proper divisors (1665738).

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

1427742 is a wasteful number, since it uses less digits than its factorization.

1427742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79327 (or 79324 counting only the distinct ones).

The product of its digits is 3136, while the sum is 27.

The square root of 1427742 is about 1194.8815840911. The cubic root of 1427742 is about 112.6029871740.

The spelling of 1427742 in words is "one million, four hundred twenty-seven thousand, seven hundred forty-two".

Divisors: 1 2 3 6 9 18 79319 158638 237957 475914 713871 1427742