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34013440 = 28526573
BaseRepresentation
bin1000000111000…
…0000100000000
32101000001200001
42001300010000
532201412230
63213005344
7562052356
oct201600400
971001601
1034013440
111822188a
12b483854
13707b9c6
1447357d6
152ebd0ca
hex2070100

34013440 has 36 divisors (see below), whose sum is σ = 81475884. Its totient is φ = 13604864.

The previous prime is 34013393. The next prime is 34013461. The reversal of 34013440 is 4431043.

It can be written as a sum of positive squares in 2 ways, for example, as 26873856 + 7139584 = 5184^2 + 2672^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12007 + ... + 14566.

It is an arithmetic number, because the mean of its divisors is an integer number (2263219).

Almost surely, 234013440 is an apocalyptic number.

It is an amenable number.

34013440 is an abundant number, since it is smaller than the sum of its proper divisors (47462444).

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

34013440 is an equidigital number, since it uses as much as digits as its factorization.

34013440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26594 (or 26580 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 34013440 is about 5832.1042514688. The cubic root of 34013440 is about 324.0038611540.

Adding to 34013440 its reverse (4431043), we get a palindrome (38444483).

It can be divided in two parts, 34013 and 440, that added together give a triangular number (34453 = T262).

The spelling of 34013440 in words is "thirty-four million, thirteen thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 640 1280 26573 53146 106292 132865 212584 265730 425168 531460 850336 1062920 1700672 2125840 3401344 4251680 6802688 8503360 17006720 34013440