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29374720 = 28553433
BaseRepresentation
bin111000000001…
…1100100000000
32001021101112121
41300003210000
530004442340
62525334024
7504452404
oct160034400
961241477
1029374720
1115643731
129a07314
1361164bb
143c89104
1528a394a
hex1c03900

29374720 has 72 divisors (see below), whose sum is σ = 71854776. Its totient is φ = 11501568.

The previous prime is 29374711. The next prime is 29374727. The reversal of 29374720 is 2747392.

It can be written as a sum of positive squares in 4 ways, for example, as 1327104 + 28047616 = 1152^2 + 5296^2 .

It is not an unprimeable number, because it can be changed into a prime (29374727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67624 + ... + 68056.

It is an arithmetic number, because the mean of its divisors is an integer number (997983).

Almost surely, 229374720 is an apocalyptic number.

29374720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29374720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35927388).

29374720 is an abundant number, since it is smaller than the sum of its proper divisors (42480056).

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

29374720 is an equidigital number, since it uses as much as digits as its factorization.

29374720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 29374720 is about 5419.8450162343. The cubic root of 29374720 is about 308.5493092774.

The spelling of 29374720 in words is "twenty-nine million, three hundred seventy-four thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 53 64 80 106 128 160 212 256 265 320 424 433 530 640 848 866 1060 1280 1696 1732 2120 2165 3392 3464 4240 4330 6784 6928 8480 8660 13568 13856 16960 17320 22949 27712 33920 34640 45898 55424 67840 69280 91796 110848 114745 138560 183592 229490 277120 367184 458980 554240 734368 917960 1468736 1835920 2937472 3671840 5874944 7343680 14687360 29374720