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29381442 = 2323212909
BaseRepresentation
bin111000000010…
…1001101000010
32001021201202120
41300011031002
530010201232
62525425110
7504511116
oct160051502
961251676
1029381442
1115648792
129a0b196
13611958c
143c8b746
1528a592c
hex1c05342

29381442 has 16 divisors (see below), whose sum is σ = 61318080. Its totient is φ = 9367952.

The previous prime is 29381413. The next prime is 29381477. The reversal of 29381442 is 24418392.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 106317 + ... + 106592.

It is an arithmetic number, because the mean of its divisors is an integer number (3832380).

Almost surely, 229381442 is an apocalyptic number.

29381442 is an abundant number, since it is smaller than the sum of its proper divisors (31936638).

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

29381442 is a wasteful number, since it uses less digits than its factorization.

29381442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212937.

The product of its digits is 13824, while the sum is 33.

The square root of 29381442 is about 5420.4651091950. The cubic root of 29381442 is about 308.5728432352.

The spelling of 29381442 in words is "twenty-nine million, three hundred eighty-one thousand, four hundred forty-two".

Divisors: 1 2 3 6 23 46 69 138 212909 425818 638727 1277454 4896907 9793814 14690721 29381442