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29731242 = 2343111497
BaseRepresentation
bin111000101101…
…0100110101010
32001221111121010
41301122212222
530102344432
62541124350
7510466002
oct161324652
961844533
1029731242
1115867582
129b596b6
13620c868
143d3d002
1529243cc
hex1c5a9aa

29731242 has 16 divisors (see below), whose sum is σ = 59605632. Its totient is φ = 9886560.

The previous prime is 29731231. The next prime is 29731243. The reversal of 29731242 is 24213792.

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 7 ways as a sum of consecutive naturals, for example, 3163 + ... + 8334.

It is an arithmetic number, because the mean of its divisors is an integer number (3725352).

Almost surely, 229731242 is an apocalyptic number.

29731242 is an abundant number, since it is smaller than the sum of its proper divisors (29874390).

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

29731242 is a wasteful number, since it uses less digits than its factorization.

29731242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11933.

The product of its digits is 6048, while the sum is 30.

The square root of 29731242 is about 5452.6362431396. The cubic root of 29731242 is about 309.7925841105.

The spelling of 29731242 in words is "twenty-nine million, seven hundred thirty-one thousand, two hundred forty-two".

Divisors: 1 2 3 6 431 862 1293 2586 11497 22994 34491 68982 4955207 9910414 14865621 29731242