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34740140 = 2251737007
BaseRepresentation
bin1000010010000…
…1011110101100
32102100222111212
42010201132230
532343141030
63240333552
7601200131
oct204413654
972328455
1034740140
1118678866
12b7742b8
1372746c6
144884588
1530b3595
hex21217ac

34740140 has 12 divisors (see below), whose sum is σ = 72954336. Its totient is φ = 13896048.

The previous prime is 34740133. The next prime is 34740169. The reversal of 34740140 is 4104743.

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 3 ways as a sum of consecutive naturals, for example, 868484 + ... + 868523.

It is an arithmetic number, because the mean of its divisors is an integer number (6079528).

Almost surely, 234740140 is an apocalyptic number.

It is an amenable number.

34740140 is an abundant number, since it is smaller than the sum of its proper divisors (38214196).

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

34740140 is a wasteful number, since it uses less digits than its factorization.

34740140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737016 (or 1737014 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 34740140 is about 5894.0766876586. The cubic root of 34740140 is about 326.2950770303.

Adding to 34740140 its reverse (4104743), we get a palindrome (38844883).

The spelling of 34740140 in words is "thirty-four million, seven hundred forty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 1737007 3474014 6948028 8685035 17370070 34740140