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2052415140 = 2235311103449
BaseRepresentation
bin111101001010101…
…0101111010100100
312022000222111021120
41322111111322210
513200404241030
6535354213540
7101601145416
oct17225257244
95260874246
102052415140
11963597966
124934242b0
13269299b39
141568209b6
15c02b8010
hex7a555ea4

2052415140 has 48 divisors (see below), whose sum is σ = 5932147200. Its totient is φ = 529655040.

The previous prime is 2052415133. The next prime is 2052415159. The reversal of 2052415140 is 415142502.

It is a self number, because there is not a number n which added to its sum of digits gives 2052415140.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 549865 + ... + 553584.

It is an arithmetic number, because the mean of its divisors is an integer number (123586400).

Almost surely, 22052415140 is an apocalyptic number.

2052415140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2052415140 is an abundant number, since it is smaller than the sum of its proper divisors (3879732060).

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

2052415140 is a wasteful number, since it uses less digits than its factorization.

2052415140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103492 (or 1103490 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 2052415140 is about 45303.5885995801. The cubic root of 2052415140 is about 1270.8327644203.

Adding to 2052415140 its reverse (415142502), we get a palindrome (2467557642).

The spelling of 2052415140 in words is "two billion, fifty-two million, four hundred fifteen thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 31 60 62 93 124 155 186 310 372 465 620 930 1860 1103449 2206898 3310347 4413796 5517245 6620694 11034490 13241388 16551735 22068980 33103470 34206919 66206940 68413838 102620757 136827676 171034595 205241514 342069190 410483028 513103785 684138380 1026207570 2052415140