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2052421515 = 3251912831871
BaseRepresentation
bin111101001010101…
…0111011110001011
312022000222211000200
41322111113132023
513200404442030
6535354303243
7101601203124
oct17225273613
95260884020
102052421515
119635a1731
12493427b23
1326929ca01
1415682304b
15c02b9d60
hex7a55778b

2052421515 has 48 divisors (see below), whose sum is σ = 3749690880. Its totient is φ = 1035650880.

The previous prime is 2052421507. The next prime is 2052421529. The reversal of 2052421515 is 5151242502.

It is not a de Polignac number, because 2052421515 - 23 = 2052421507 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1096030 + ... + 1097900.

It is an arithmetic number, because the mean of its divisors is an integer number (78118560).

Almost surely, 22052421515 is an apocalyptic number.

2052421515 is a deficient number, since it is larger than the sum of its proper divisors (1697269365).

2052421515 is a wasteful number, since it uses less digits than its factorization.

2052421515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3184 (or 3181 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 2052421515 is about 45303.6589581901. The cubic root of 2052421515 is about 1270.8340801954.

The spelling of 2052421515 in words is "two billion, fifty-two million, four hundred twenty-one thousand, five hundred fifteen".

Divisors: 1 3 5 9 15 19 45 57 95 171 285 855 1283 1871 3849 5613 6415 9355 11547 16839 19245 24377 28065 35549 57735 73131 84195 106647 121885 177745 219393 319941 365655 533235 1096965 1599705 2400493 7201479 12002465 21604437 36007395 45609367 108022185 136828101 228046835 410484303 684140505 2052421515