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1320892482 = 2371379113271
BaseRepresentation
bin100111010111011…
…0011100001000010
310102001111021211210
41032232303201002
510201122024412
6335023150550
744506254330
oct11656634102
93361437753
101320892482
11618678088
1230a445456
131808716b0
14c75dcb50
157ae6a83c
hex4ebb3842

1320892482 has 128 divisors (see below), whose sum is σ = 3333980160. Its totient is φ = 339655680.

The previous prime is 1320892481. The next prime is 1320892501. The reversal of 1320892482 is 2842980231.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 1320892482.

It is not an unprimeable number, because it can be changed into a prime (1320892481) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4874007 + ... + 4874277.

It is an arithmetic number, because the mean of its divisors is an integer number (26046720).

Almost surely, 21320892482 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1320892482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1666990080).

1320892482 is an abundant number, since it is smaller than the sum of its proper divisors (2013087678).

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

1320892482 is a wasteful number, since it uses less digits than its factorization.

1320892482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 1320892482 is about 36344.0845530604. The cubic root of 1320892482 is about 1097.2084816132.

The spelling of 1320892482 in words is "one billion, three hundred twenty million, eight hundred ninety-two thousand, four hundred eighty-two".

Divisors: 1 2 3 6 7 13 14 21 26 39 42 78 79 91 113 158 182 226 237 271 273 339 474 542 546 553 678 791 813 1027 1106 1469 1582 1626 1659 1897 2054 2373 2938 3081 3318 3523 3794 4407 4746 5691 6162 7046 7189 8814 8927 10283 10569 11382 14378 17854 20566 21138 21409 21567 24661 26781 30623 30849 42818 43134 49322 53562 61246 61698 62489 64227 73983 91869 116051 124978 128454 147966 149863 183738 187467 214361 232102 278317 299726 348153 374934 398099 428722 449589 556634 643083 696306 796198 812357 834951 899178 1194297 1286166 1624714 1669902 1948219 2388594 2419217 2437071 2786693 3896438 4838434 4874142 5573386 5844657 7257651 8360079 11689314 14515302 16720158 16934519 31449821 33869038 50803557 62899642 94349463 101607114 188698926 220148747 440297494 660446241 1320892482