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1481142 = 2313171117
BaseRepresentation
bin101101001100110110110
32210020202010
411221212312
5334344032
651425050
715406125
oct5514666
92706663
101481142
11921893
125b5186
133cb220
142a7abc
151e3ccc
hex1699b6

1481142 has 32 divisors (see below), whose sum is σ = 3380832. Its totient is φ = 428544.

The previous prime is 1481113. The next prime is 1481143. The reversal of 1481142 is 2411841.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1481143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 768 + ... + 1884.

It is an arithmetic number, because the mean of its divisors is an integer number (105651).

21481142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1481142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1690416).

1481142 is an abundant number, since it is smaller than the sum of its proper divisors (1899690).

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

1481142 is a wasteful number, since it uses less digits than its factorization.

1481142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152.

The product of its digits is 256, while the sum is 21.

The square root of 1481142 is about 1217.0217746614. The cubic root of 1481142 is about 113.9896882024.

Adding to 1481142 its reverse (2411841), we get a palindrome (3892983).

The spelling of 1481142 in words is "one million, four hundred eighty-one thousand, one hundred forty-two".

Divisors: 1 2 3 6 13 17 26 34 39 51 78 102 221 442 663 1117 1326 2234 3351 6702 14521 18989 29042 37978 43563 56967 87126 113934 246857 493714 740571 1481142