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29285724 = 22313227827
BaseRepresentation
bin110111110110…
…1110101011100
32001002212110110
41233231311130
524444120344
62523410020
7503632056
oct157556534
961085413
1029285724
1115592886
129983910
1360b4b40
143c648d6
1528873b9
hex1bedd5c

29285724 has 48 divisors (see below), whose sum is σ = 74003328. Its totient is φ = 8960448.

The previous prime is 29285723. The next prime is 29285777. The reversal of 29285724 is 42758292.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29285723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34999 + ... + 35825.

It is an arithmetic number, because the mean of its divisors is an integer number (1541736).

Almost surely, 229285724 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29285724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37001664).

29285724 is an abundant number, since it is smaller than the sum of its proper divisors (44717604).

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

29285724 is a wasteful number, since it uses less digits than its factorization.

29285724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074 (or 1072 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 29285724 is about 5411.6285903598. The cubic root of 29285724 is about 308.2373921774.

The spelling of 29285724 in words is "twenty-nine million, two hundred eighty-five thousand, seven hundred twenty-four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 227 454 681 827 908 1362 1654 2481 2724 2951 3308 4962 5902 8853 9924 10751 11804 17706 21502 32253 35412 43004 64506 129012 187729 375458 563187 750916 1126374 2252748 2440477 4880954 7321431 9761908 14642862 29285724