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2005972424 = 231979891877
BaseRepresentation
bin111011110010000…
…1011010111001000
312011210120221211222
41313210023113020
513102012104144
6531014541212
7100465325051
oct16744132710
95153527758
102005972424
1193a356855
1247b967808
1325c788941
141505b1728
15bb1922ee
hex7790b5c8

2005972424 has 64 divisors (see below), whose sum is σ = 4056480000. Its totient is φ = 927134208.

The previous prime is 2005972411. The next prime is 2005972433. The reversal of 2005972424 is 4242795002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1067774 + ... + 1069650.

It is an arithmetic number, because the mean of its divisors is an integer number (63382500).

Almost surely, 22005972424 is an apocalyptic number.

It is an amenable number.

2005972424 is an abundant number, since it is smaller than the sum of its proper divisors (2050507576).

2005972424 is a wasteful number, since it uses less digits than its factorization.

2005972424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070 (or 2066 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 2005972424 is about 44788.0835044323. The cubic root of 2005972424 is about 1261.1739340481.

The spelling of 2005972424 in words is "two billion, five million, nine hundred seventy-two thousand, four hundred twenty-four".

Divisors: 1 2 4 8 19 38 76 79 89 152 158 178 316 356 632 712 1501 1691 1877 3002 3382 3754 6004 6764 7031 7508 12008 13528 14062 15016 28124 35663 56248 71326 133589 142652 148283 167053 267178 285304 296566 334106 534356 593132 668212 1068712 1186264 1336424 2817377 3174007 5634754 6348014 11269508 12696028 13197187 22539016 25392056 26394374 52788748 105577496 250746553 501493106 1002986212 2005972424