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29140730 = 257936887
BaseRepresentation
bin110111100101…
…0011011111010
32000211111120022
41233022123322
524430000410
62520330442
7502456253
oct157123372
960744508
1029140730
11154a3953
129913a22
136063b48
143c27b2a
152859455
hex1bca6fa

29140730 has 16 divisors (see below), whose sum is σ = 53118720. Its totient is φ = 11508432.

The previous prime is 29140723. The next prime is 29140733. The reversal of 29140730 is 3704192.

It is a self number, because there is not a number n which added to its sum of digits gives 29140730.

It is not an unprimeable number, because it can be changed into a prime (29140733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17654 + ... + 19233.

It is an arithmetic number, because the mean of its divisors is an integer number (3319920).

Almost surely, 229140730 is an apocalyptic number.

29140730 is a deficient number, since it is larger than the sum of its proper divisors (23977990).

29140730 is a wasteful number, since it uses less digits than its factorization.

29140730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36973.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 29140730 is about 5398.2154458673. The cubic root of 29140730 is about 307.7278545631.

The spelling of 29140730 in words is "twenty-nine million, one hundred forty thousand, seven hundred thirty".

Divisors: 1 2 5 10 79 158 395 790 36887 73774 184435 368870 2914073 5828146 14570365 29140730