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29080000 = 2654727
BaseRepresentation
bin110111011101…
…1100111000000
32000201102021001
41232323213000
524421030000
62515141344
7502114225
oct156734700
960642231
1029080000
1115462264
1298a4854
136042301
143c0d94c
15284646a
hex1bbb9c0

29080000 has 70 divisors (see below), whose sum is σ = 72208136. Its totient is φ = 11616000.

The previous prime is 29079991. The next prime is 29080019. The reversal of 29080000 is 8092.

It is a self number, because there is not a number n which added to its sum of digits gives 29080000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 39637 + ... + 40363.

Almost surely, 229080000 is an apocalyptic number.

29080000 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 29080000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36104068).

29080000 is an abundant number, since it is smaller than the sum of its proper divisors (43128136).

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

29080000 is an frugal number, since it uses more digits than its factorization.

29080000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759 (or 734 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 29080000 is about 5392.5875050851. The cubic root of 29080000 is about 307.5139350770.

Adding to 29080000 its reverse (8092), we get a palindrome (29088092).

The spelling of 29080000 in words is "twenty-nine million, eighty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 160 200 250 320 400 500 625 727 800 1000 1250 1454 1600 2000 2500 2908 3635 4000 5000 5816 7270 8000 10000 11632 14540 18175 20000 23264 29080 36350 40000 46528 58160 72700 90875 116320 145400 181750 232640 290800 363500 454375 581600 727000 908750 1163200 1454000 1817500 2908000 3635000 5816000 7270000 14540000 29080000