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29086830 = 2335176337
BaseRepresentation
bin110111011110…
…1010001101110
32000201202122000
41232331101232
524421234310
62515233130
7502143153
oct156752156
960652560
1029086830
1115467403
1298a87a6
136045456
143c1222a
1528484c0
hex1bbd46e

29086830 has 64 divisors (see below), whose sum is σ = 82140480. Its totient is φ = 7299072.

The previous prime is 29086829. The next prime is 29086831. The reversal of 29086830 is 3868092.

It is an interprime number because it is at equal distance from previous prime (29086829) and next prime (29086831).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29086831) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1422 + ... + 7758.

It is an arithmetic number, because the mean of its divisors is an integer number (1283445).

Almost surely, 229086830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29086830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41070240).

29086830 is an abundant number, since it is smaller than the sum of its proper divisors (53053650).

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

29086830 is a wasteful number, since it uses less digits than its factorization.

29086830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6370 (or 6364 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 29086830 is about 5393.2207446015. The cubic root of 29086830 is about 307.5380083892.

The spelling of 29086830 in words is "twenty-nine million, eighty-six thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 17 18 27 30 34 45 51 54 85 90 102 135 153 170 255 270 306 459 510 765 918 1530 2295 4590 6337 12674 19011 31685 38022 57033 63370 95055 107729 114066 171099 190110 215458 285165 323187 342198 538645 570330 646374 855495 969561 1077290 1615935 1710990 1939122 2908683 3231870 4847805 5817366 9695610 14543415 29086830