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34045780 = 2258112099
BaseRepresentation
bin1000000111011…
…1111101010100
32101001201000211
42001313331110
532203431110
63213415204
7562245556
oct201677524
971051024
1034045780
111824410a
12b49a504
137090642
1447434d6
152ec798a
hex2077f54

34045780 has 24 divisors (see below), whose sum is σ = 71618400. Its totient is φ = 13595040.

The previous prime is 34045757. The next prime is 34045783. The reversal of 34045780 is 8754043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34045783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15171 + ... + 17269.

It is an arithmetic number, because the mean of its divisors is an integer number (2984100).

Almost surely, 234045780 is an apocalyptic number.

It is an amenable number.

34045780 is an abundant number, since it is smaller than the sum of its proper divisors (37572620).

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

34045780 is a wasteful number, since it uses less digits than its factorization.

34045780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2919 (or 2917 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 34045780 is about 5834.8761769210. The cubic root of 34045780 is about 324.1065163172.

The spelling of 34045780 in words is "thirty-four million, forty-five thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 811 1622 2099 3244 4055 4198 8110 8396 10495 16220 20990 41980 1702289 3404578 6809156 8511445 17022890 34045780