Search a number
-
+
2005532055 = 345103131367
BaseRepresentation
bin111011110001001…
…1111110110010111
312011202202120210000
41313202133312113
513101404011210
6531001302343
7100461512142
oct16742376627
95152676700
102005532055
1193a085a0a
1247b7949b3
1325c663377
141504d9059
15bb106ac0
hex7789fd97

2005532055 has 80 divisors (see below), whose sum is σ = 3667682304. Its totient is φ = 1048282560.

The previous prime is 2005532051. The next prime is 2005532059. The reversal of 2005532055 is 5502355002.

It is an interprime number because it is at equal distance from previous prime (2005532051) and next prime (2005532059).

It is not a de Polignac number, because 2005532055 - 22 = 2005532051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005532051) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5464482 + ... + 5464848.

Almost surely, 22005532055 is an apocalyptic number.

2005532055 is a deficient number, since it is larger than the sum of its proper divisors (1662150249).

2005532055 is a wasteful number, since it uses less digits than its factorization.

2005532055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618 (or 609 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 2005532055 is about 44783.1670943447. The cubic root of 2005532055 is about 1261.0816392350.

Adding to 2005532055 its reverse (5502355002), we get a palindrome (7507887057).

The spelling of 2005532055 in words is "two billion, five million, five hundred thirty-two thousand, fifty-five".

Divisors: 1 3 5 9 15 27 45 81 103 131 135 309 367 393 405 515 655 927 1101 1179 1545 1835 1965 2781 3303 3537 4635 5505 5895 8343 9909 10611 13493 13905 16515 17685 29727 37801 40479 41715 48077 49545 53055 67465 113403 121437 144231 148635 189005 202395 240385 340209 364311 432693 567015 607185 721155 1020627 1092933 1298079 1701045 1821555 2163465 3061881 3894237 4951931 5103135 5464665 6490395 14855793 15309405 19471185 24759655 44567379 74278965 133702137 222836895 401106411 668510685 2005532055