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29029340 = 2251979967
BaseRepresentation
bin110111010111…
…1001111011100
32000121211202202
41232233033130
524412414330
62514111032
7501513434
oct156571734
960554682
1029029340
111542819a
12987b478
136025232
143bd92c4
152836445
hex1baf3dc

29029340 has 48 divisors (see below), whose sum is σ = 65049600. Its totient is φ = 10850112.

The previous prime is 29029331. The next prime is 29029367. The reversal of 29029340 is 4392092.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29537 + ... + 30503.

It is an arithmetic number, because the mean of its divisors is an integer number (1355200).

Almost surely, 229029340 is an apocalyptic number.

29029340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29029340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32524800).

29029340 is an abundant number, since it is smaller than the sum of its proper divisors (36020260).

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

29029340 is a wasteful number, since it uses less digits than its factorization.

29029340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074 (or 1072 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 29029340 is about 5387.8882690717. Note that the first 3 decimals coincide. The cubic root of 29029340 is about 307.3352588826.

The spelling of 29029340 in words is "twenty-nine million, twenty-nine thousand, three hundred forty".

Divisors: 1 2 4 5 10 19 20 38 76 79 95 158 190 316 380 395 790 967 1501 1580 1934 3002 3868 4835 6004 7505 9670 15010 18373 19340 30020 36746 73492 76393 91865 152786 183730 305572 367460 381965 763930 1451467 1527860 2902934 5805868 7257335 14514670 29029340