Search a number
-
+
1320523044 = 2233722313337
BaseRepresentation
bin100111010110101…
…1001010100100100
310102000210112001220
41032231121110210
510201023214134
6335011220340
744503155261
oct11655312444
93360715056
101320523044
11618445565
1230a2a76b0
131807724a9
14c7544268
157ade6149
hex4eb59524

1320523044 has 48 divisors (see below), whose sum is σ = 3178925568. Its totient is φ = 426325248.

The previous prime is 1320523031. The next prime is 1320523051. The reversal of 1320523044 is 4403250231.

It is a super-2 number, since 2×13205230442 = 3487562219470051872, which contains 22 as substring.

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, 92344 + ... + 105680.

It is an arithmetic number, because the mean of its divisors is an integer number (66227616).

Almost surely, 21320523044 is an apocalyptic number.

It is an amenable number.

1320523044 is an abundant number, since it is smaller than the sum of its proper divisors (1858402524).

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

1320523044 is a wasteful number, since it uses less digits than its factorization.

1320523044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13604 (or 13602 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 1320523044 is about 36339.0016923966. The cubic root of 1320523044 is about 1097.1061799979.

Adding to 1320523044 its reverse (4403250231), we get a palindrome (5723773275).

The spelling of 1320523044 in words is "one billion, three hundred twenty million, five hundred twenty-three thousand, forty-four".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 223 444 446 669 892 1338 2676 8251 13337 16502 24753 26674 33004 40011 49506 53348 80022 99012 160044 493469 986938 1480407 1973876 2960814 2974151 5921628 5948302 8922453 11896604 17844906 35689812 110043587 220087174 330130761 440174348 660261522 1320523044