Search a number
-
+
2053987026 = 2371331121351
BaseRepresentation
bin111101001101101…
…0101101011010010
312022010221100111120
41322123111223102
513201310041101
6535452023110
7101620413240
oct17233255322
95263840446
102053987026
11964470943
12493a61a96
132696ca450
14156b0d790
15c04c8b36
hex7a6d5ad2

2053987026 has 64 divisors (see below), whose sum is σ = 5219106816. Its totient is φ = 524232000.

The previous prime is 2053987021. The next prime is 2053987049. The reversal of 2053987026 is 6207893502.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2053987021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43750 + ... + 77601.

It is an arithmetic number, because the mean of its divisors is an integer number (81548544).

Almost surely, 22053987026 is an apocalyptic number.

2053987026 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2053987026 is an abundant number, since it is smaller than the sum of its proper divisors (3165119790).

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

2053987026 is a wasteful number, since it uses less digits than its factorization.

2053987026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121407.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 2053987026 is about 45320.9336399858. The cubic root of 2053987026 is about 1271.1571131091.

The spelling of 2053987026 in words is "two billion, fifty-three million, nine hundred eighty-seven thousand, twenty-six".

Divisors: 1 2 3 6 7 13 14 21 26 31 39 42 62 78 91 93 182 186 217 273 403 434 546 651 806 1209 1302 2418 2821 5642 8463 16926 121351 242702 364053 728106 849457 1577563 1698914 2548371 3155126 3761881 4732689 5096742 7523762 9465378 11042941 11285643 22085882 22571286 26333167 33128823 48904453 52666334 66257646 78999501 97808906 146713359 157999002 293426718 342331171 684662342 1026993513 2053987026