Search a number
-
+
34021040 = 2451992137
BaseRepresentation
bin1000000111000…
…1111010110000
32101000110002112
42001301322300
532202133130
63213104452
7562113464
oct201617260
971013075
1034021040
1118227569
12b488128
1370822c1
1447384a4
152ec0495
hex2071eb0

34021040 has 40 divisors (see below), whose sum is σ = 79533600. Its totient is φ = 13533696.

The previous prime is 34021037. The next prime is 34021049. The reversal of 34021040 is 4012043.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (34021049) by changing a digit.

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, 14852 + ... + 16988.

It is an arithmetic number, because the mean of its divisors is an integer number (1988340).

Almost surely, 234021040 is an apocalyptic number.

It is an amenable number.

34021040 is an abundant number, since it is smaller than the sum of its proper divisors (45512560).

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

34021040 is a wasteful number, since it uses less digits than its factorization.

34021040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349 (or 2343 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 34021040 is about 5832.7557809324. The cubic root of 34021040 is about 324.0279912818.

Adding to 34021040 its reverse (4012043), we get a palindrome (38033083).

The spelling of 34021040 in words is "thirty-four million, twenty-one thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 199 398 796 995 1592 1990 2137 3184 3980 4274 7960 8548 10685 15920 17096 21370 34192 42740 85480 170960 425263 850526 1701052 2126315 3402104 4252630 6804208 8505260 17010520 34021040