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29889244 = 22711531831
BaseRepresentation
bin111001000000…
…1001011011100
32002020112100001
41302001023130
530122423434
62544344044
7512024440
oct162011334
962215301
1029889244
1115965260
12a015024
136266758
143d80820
152956114
hex1c812dc

29889244 has 48 divisors (see below), whose sum is σ = 66479616. Its totient is φ = 11419200.

The previous prime is 29889221. The next prime is 29889269. The reversal of 29889244 is 44298892.

It is a junction number, because it is equal to n+sod(n) for n = 29889194 and 29889203.

It is a congruent number.

It is an unprimeable number.

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, 15409 + ... + 17239.

It is an arithmetic number, because the mean of its divisors is an integer number (1384992).

Almost surely, 229889244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29889244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33239808).

29889244 is an abundant number, since it is smaller than the sum of its proper divisors (36590372).

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

29889244 is a wasteful number, since it uses less digits than its factorization.

29889244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906 (or 1904 counting only the distinct ones).

The product of its digits is 331776, while the sum is 46.

The square root of 29889244 is about 5467.1056327823. The cubic root of 29889244 is about 310.3403961218.

The spelling of 29889244 in words is "twenty-nine million, eight hundred eighty-nine thousand, two hundred forty-four".

Divisors: 1 2 4 7 11 14 22 28 44 53 77 106 154 212 308 371 583 742 1166 1484 1831 2332 3662 4081 7324 8162 12817 16324 20141 25634 40282 51268 80564 97043 140987 194086 281974 388172 563948 679301 1067473 1358602 2134946 2717204 4269892 7472311 14944622 29889244