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2052353040 = 243543119841
BaseRepresentation
bin111101001010100…
…0110110000010000
312022000212100002120
41322111012300100
513200400244130
6535353014240
7101600466363
oct17225066020
95260770076
102052353040
11963555241
124933b4380
132692777aa
141568060da
15c02a4910
hex7a546c10

2052353040 has 80 divisors (see below), whose sum is σ = 6377377536. Its totient is φ = 545996800.

The previous prime is 2052353029. The next prime is 2052353057. The reversal of 2052353040 is 403532502.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2052353040.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93520 + ... + 113360.

Almost surely, 22052353040 is an apocalyptic number.

2052353040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2052353040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3188688768).

2052353040 is an abundant number, since it is smaller than the sum of its proper divisors (4325024496).

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

2052353040 is a wasteful number, since it uses less digits than its factorization.

2052353040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20288 (or 20282 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 2052353040 is about 45302.9032182265. The cubic root of 2052353040 is about 1270.8199470799.

Adding to 2052353040 its reverse (403532502), we get a palindrome (2455885542).

The spelling of 2052353040 in words is "two billion, fifty-two million, three hundred fifty-three thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 431 862 1293 1724 2155 2586 3448 4310 5172 6465 6896 8620 10344 12930 17240 19841 20688 25860 34480 39682 51720 59523 79364 99205 103440 119046 158728 198410 238092 297615 317456 396820 476184 595230 793640 952368 1190460 1587280 2380920 4761840 8551471 17102942 25654413 34205884 42757355 51308826 68411768 85514710 102617652 128272065 136823536 171029420 205235304 256544130 342058840 410470608 513088260 684117680 1026176520 2052353040