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32531042 = 240939769
BaseRepresentation
bin111110000011…
…0001001100010
32021012202012102
41330012021202
531311443132
63121130402
7543336455
oct174061142
967182172
1032531042
11173aa065
12aa89a02
13698004b
14446b49c
152cc8c62
hex1f06262

32531042 has 8 divisors (see below), whose sum is σ = 48917100. Its totient is φ = 16225344.

The previous prime is 32531041. The next prime is 32531071. The reversal of 32531042 is 24013523.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 32478601 + 52441 = 5699^2 + 229^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (32531041) 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 3 ways as a sum of consecutive naturals, for example, 19067 + ... + 20702.

Almost surely, 232531042 is an apocalyptic number.

32531042 is a deficient number, since it is larger than the sum of its proper divisors (16386058).

32531042 is a wasteful number, since it uses less digits than its factorization.

32531042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40180.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 32531042 is about 5703.5990392032. The cubic root of 32531042 is about 319.2267855341.

Adding to 32531042 its reverse (24013523), we get a palindrome (56544565).

The spelling of 32531042 in words is "thirty-two million, five hundred thirty-one thousand, forty-two".

Divisors: 1 2 409 818 39769 79538 16265521 32531042