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29731244 = 2231323747
BaseRepresentation
bin111000101101…
…0100110101100
32001221111121012
41301122212230
530102344434
62541124352
7510466004
oct161324654
961844535
1029731244
1115867584
129b596b8
13620c86a
143d3d004
1529243ce
hex1c5a9ac

29731244 has 12 divisors (see below), whose sum is σ = 52198104. Its totient is φ = 14817504.

The previous prime is 29731243. The next prime is 29731253. The reversal of 29731244 is 44213792.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 29731244.

It is not an unprimeable number, because it can be changed into a prime (29731243) 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 in 3 ways as a sum of consecutive naturals, for example, 10622 + ... + 13125.

It is an arithmetic number, because the mean of its divisors is an integer number (4349842).

Almost surely, 229731244 is an apocalyptic number.

It is an amenable number.

29731244 is a deficient number, since it is larger than the sum of its proper divisors (22466860).

29731244 is a wasteful number, since it uses less digits than its factorization.

29731244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24064 (or 24062 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 29731244 is about 5452.6364265372. The cubic root of 29731244 is about 309.7925910570.

The spelling of 29731244 in words is "twenty-nine million, seven hundred thirty-one thousand, two hundred forty-four".

Divisors: 1 2 4 313 626 1252 23747 47494 94988 7432811 14865622 29731244