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29442894 = 23131919867
BaseRepresentation
bin111000001010…
…0001101001110
32001101212001120
41300110031032
530014133034
62531021410
7505155225
oct160241516
961355046
1029442894
111568a978
129a3a866
13613b540
143ca5cbc
1528b8c49
hex1c1434e

29442894 has 32 divisors (see below), whose sum is σ = 66756480. Its totient is φ = 8582112.

The previous prime is 29442893. The next prime is 29442937. The reversal of 29442894 is 49824492.

29442894 = 3272 + 3282 + ... + 4972.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29442893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8452 + ... + 11415.

It is an arithmetic number, because the mean of its divisors is an integer number (2086140).

Almost surely, 229442894 is an apocalyptic number.

29442894 is an abundant number, since it is smaller than the sum of its proper divisors (37313586).

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

29442894 is a wasteful number, since it uses less digits than its factorization.

29442894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19904.

The product of its digits is 165888, while the sum is 42.

The square root of 29442894 is about 5426.1306655848. The cubic root of 29442894 is about 308.7878226269.

The spelling of 29442894 in words is "twenty-nine million, four hundred forty-two thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 13 19 26 38 39 57 78 114 247 494 741 1482 19867 39734 59601 119202 258271 377473 516542 754946 774813 1132419 1549626 2264838 4907149 9814298 14721447 29442894