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29002000 = 245317853
BaseRepresentation
bin110111010100…
…0100100010000
32000120110021011
41232220210100
524411031000
62513340304
7501340636
oct156504420
960513234
1029002000
11154096a5
129867694
136015961
143bcd356
15282d2ba
hex1ba8910

29002000 has 80 divisors (see below), whose sum is σ = 74338992. Its totient is φ = 10905600.

The previous prime is 29001997. The next prime is 29002021. The reversal of 29002000 is 20092.

It can be written as a sum of positive squares in 8 ways, for example, as 12873744 + 16128256 = 3588^2 + 4016^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×290020002 = 1682232008000000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33574 + ... + 34426.

Almost surely, 229002000 is an apocalyptic number.

29002000 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 29002000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37169496).

29002000 is an abundant number, since it is smaller than the sum of its proper divisors (45336992).

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

29002000 is a wasteful number, since it uses less digits than its factorization.

29002000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893 (or 877 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 29002000 is about 5385.3504992711. The cubic root of 29002000 is about 307.2387452035.

Adding to 29002000 its reverse (20092), we get a palindrome (29022092).

It can be divided in two parts, 2900 and 2000, that added together give a square (4900 = 702).

The spelling of 29002000 in words is "twenty-nine million, two thousand".

Divisors: 1 2 4 5 8 10 16 17 20 25 34 40 50 68 80 85 100 125 136 170 200 250 272 340 400 425 500 680 850 853 1000 1360 1700 1706 2000 2125 3400 3412 4250 4265 6800 6824 8500 8530 13648 14501 17000 17060 21325 29002 34000 34120 42650 58004 68240 72505 85300 106625 116008 145010 170600 213250 232016 290020 341200 362525 426500 580040 725050 853000 1160080 1450100 1706000 1812625 2900200 3625250 5800400 7250500 14501000 29002000