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34728500 = 225369457
BaseRepresentation
bin1000010001111…
…0101000110100
32102100101112202
42010132220310
532342303000
63240204032
7601121162
oct204365064
972311482
1034728500
1118670044
12b769618
13726c311
144880232
1530aedd5
hex211ea34

34728500 has 24 divisors (see below), whose sum is σ = 75848136. Its totient is φ = 13891200.

The previous prime is 34728497. The next prime is 34728527. The reversal of 34728500 is 582743.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6041764 + 28686736 = 2458^2 + 5356^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34229 + ... + 35228.

It is an arithmetic number, because the mean of its divisors is an integer number (3160339).

Almost surely, 234728500 is an apocalyptic number.

It is an amenable number.

34728500 is an abundant number, since it is smaller than the sum of its proper divisors (41119636).

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

34728500 is a wasteful number, since it uses less digits than its factorization.

34728500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69476 (or 69464 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 34728500 is about 5893.0891729211. The cubic root of 34728500 is about 326.2586302479.

The spelling of 34728500 in words is "thirty-four million, seven hundred twenty-eight thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 69457 138914 277828 347285 694570 1389140 1736425 3472850 6945700 8682125 17364250 34728500