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29893280 = 255832251
BaseRepresentation
bin111001000001…
…0001010100000
32002020201212112
41302002022200
530123041110
62544414452
7512042264
oct162021240
962221775
1029893280
111596829a
12a017428
136268541
143d820a4
152957405
hex1c822a0

29893280 has 48 divisors (see below), whose sum is σ = 71505504. Its totient is φ = 11808000.

The previous prime is 29893277. The next prime is 29893291. The reversal of 29893280 is 8239892.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12155 + ... + 14405.

It is an arithmetic number, because the mean of its divisors is an integer number (1489698).

Almost surely, 229893280 is an apocalyptic number.

29893280 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 29893280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35752752).

29893280 is an abundant number, since it is smaller than the sum of its proper divisors (41612224).

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

29893280 is a wasteful number, since it uses less digits than its factorization.

29893280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2349 (or 2341 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 29893280 is about 5467.4747370244. The cubic root of 29893280 is about 310.3543641060.

The spelling of 29893280 in words is "twenty-nine million, eight hundred ninety-three thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 83 160 166 332 415 664 830 1328 1660 2251 2656 3320 4502 6640 9004 11255 13280 18008 22510 36016 45020 72032 90040 180080 186833 360160 373666 747332 934165 1494664 1868330 2989328 3736660 5978656 7473320 14946640 29893280