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31433104 = 241964569
BaseRepresentation
bin111011111101…
…0000110010000
32012010222010001
41313322012100
531021324404
63041415344
7531114463
oct167720620
965128101
1031433104
111681a17a
12a63a554
136687391
1442632da
152b5d7a4
hex1dfa190

31433104 has 10 divisors (see below), whose sum is σ = 60901670. Its totient is φ = 15716544.

The previous prime is 31433099. The next prime is 31433107. The reversal of 31433104 is 40133413.

It can be written as a sum of positive squares in only one way, i.e., 30824704 + 608400 = 5552^2 + 780^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31433107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 982269 + ... + 982300.

It is an arithmetic number, because the mean of its divisors is an integer number (6090167).

Almost surely, 231433104 is an apocalyptic number.

It is an amenable number.

31433104 is a deficient number, since it is larger than the sum of its proper divisors (29468566).

31433104 is a wasteful number, since it uses less digits than its factorization.

31433104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964577 (or 1964571 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 31433104 is about 5606.5233433921. The cubic root of 31433104 is about 315.5942557251.

Adding to 31433104 its reverse (40133413), we get a palindrome (71566517).

The spelling of 31433104 in words is "thirty-one million, four hundred thirty-three thousand, one hundred four".

Divisors: 1 2 4 8 16 1964569 3929138 7858276 15716552 31433104