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1532142 = 233171669
BaseRepresentation
bin101110110000011101110
32212211201000
411312003232
5343012032
652501130
716010613
oct5660356
92784630
101532142
11957137
1261a7a6
134184c1
142bc50a
15203e7c
hex1760ee

1532142 has 32 divisors (see below), whose sum is σ = 3607200. Its totient is φ = 480384.

The previous prime is 1532131. The next prime is 1532143. The reversal of 1532142 is 2412351.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1532143) 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, 84 + ... + 1752.

It is an arithmetic number, because the mean of its divisors is an integer number (112725).

21532142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1532142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1803600).

1532142 is an abundant number, since it is smaller than the sum of its proper divisors (2075058).

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

1532142 is a wasteful number, since it uses less digits than its factorization.

1532142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697 (or 1691 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 1532142 is about 1237.7972370304. The cubic root of 1532142 is about 115.2832839593.

Adding to 1532142 its reverse (2412351), we get a palindrome (3944493).

The spelling of 1532142 in words is "one million, five hundred thirty-two thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 17 18 27 34 51 54 102 153 306 459 918 1669 3338 5007 10014 15021 28373 30042 45063 56746 85119 90126 170238 255357 510714 766071 1532142