Search a number
-
+
2055191960 = 235103498833
BaseRepresentation
bin111101001111111…
…1011110110011000
312022020012120100202
41322133323312120
513202112120320
6535533521332
7101633562203
oct17237736630
95266176322
102055191960
11965114158
12494343248
13269a2ca23
14156d4493a
15c0665b75
hex7a7fbd98

2055191960 has 32 divisors (see below), whose sum is σ = 4669086240. Its totient is φ = 814093824.

The previous prime is 2055191939. The next prime is 2055191977. The reversal of 2055191960 is 691915502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245297 + ... + 253536.

It is an arithmetic number, because the mean of its divisors is an integer number (145908945).

Almost surely, 22055191960 is an apocalyptic number.

2055191960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2055191960 is an abundant number, since it is smaller than the sum of its proper divisors (2613894280).

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

2055191960 is a wasteful number, since it uses less digits than its factorization.

2055191960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498947 (or 498943 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 38.

The square root of 2055191960 is about 45334.2250402497. The cubic root of 2055191960 is about 1271.4056315590.

The spelling of 2055191960 in words is "two billion, fifty-five million, one hundred ninety-one thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 103 206 412 515 824 1030 2060 4120 498833 997666 1995332 2494165 3990664 4988330 9976660 19953320 51379799 102759598 205519196 256898995 411038392 513797990 1027595980 2055191960