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29052780 = 22352959283
BaseRepresentation
bin110111011010…
…0111101101100
32000200000220220
41232310331230
524414142110
62514411340
7501641661
oct156647554
960600826
1029052780
1115443869
129890b50
136032ac3
143c03a68
15283d370
hex1bb4f6c

29052780 has 96 divisors (see below), whose sum is σ = 85881600. Its totient is φ = 7327488.

The previous prime is 29052773. The next prime is 29052781. The reversal of 29052780 is 8725092.

It is not an unprimeable number, because it can be changed into a prime (29052781) 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, 102519 + ... + 102801.

It is an arithmetic number, because the mean of its divisors is an integer number (894600).

Almost surely, 229052780 is an apocalyptic number.

29052780 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 29052780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42940800).

29052780 is an abundant number, since it is smaller than the sum of its proper divisors (56828820).

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

29052780 is a wasteful number, since it uses less digits than its factorization.

29052780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383 (or 381 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 29052780 is about 5390.0630794083. The cubic root of 29052780 is about 307.4179568286.

The spelling of 29052780 in words is "twenty-nine million, fifty-two thousand, seven hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 29 30 58 59 60 87 116 118 145 174 177 236 283 290 295 348 354 435 566 580 590 708 849 870 885 1132 1180 1415 1698 1711 1740 1770 2830 3396 3422 3540 4245 5133 5660 6844 8207 8490 8555 10266 16414 16697 16980 17110 20532 24621 25665 32828 33394 34220 41035 49242 50091 51330 66788 82070 83485 98484 100182 102660 123105 164140 166970 200364 246210 250455 333940 484213 492420 500910 968426 1001820 1452639 1936852 2421065 2905278 4842130 5810556 7263195 9684260 14526390 29052780