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1373234808 = 233112487971
BaseRepresentation
bin101000111011001…
…1110011001111000
310112200222120000110
41101312132121320
510303022003213
6344133104320
746013206011
oct12166363170
93480876013
101373234808
11645178700
12323a880a0
1318b669c9a
14d0546008
15808595c3
hex51d9e678

1373234808 has 96 divisors (see below), whose sum is σ = 3785201280. Its totient is φ = 414849600.

The previous prime is 1373234791. The next prime is 1373234813. The reversal of 1373234808 is 8084323731.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1413763 + ... + 1414733.

It is an arithmetic number, because the mean of its divisors is an integer number (39429180).

Almost surely, 21373234808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1373234808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1892600640).

1373234808 is an abundant number, since it is smaller than the sum of its proper divisors (2411966472).

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

1373234808 is a wasteful number, since it uses less digits than its factorization.

1373234808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489 (or 1474 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 1373234808 is about 37057.1829474395. The cubic root of 1373234808 is about 1111.5139928008.

The spelling of 1373234808 in words is "one billion, three hundred seventy-three million, two hundred thirty-four thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 121 132 242 264 363 484 487 726 968 971 974 1452 1461 1942 1948 2904 2913 2922 3884 3896 5357 5826 5844 7768 10681 10714 11652 11688 16071 21362 21428 23304 32043 32142 42724 42856 58927 64086 64284 85448 117491 117854 128172 128568 176781 234982 235708 256344 352473 353562 469964 471416 472877 704946 707124 939928 945754 1409892 1414248 1418631 1891508 2819784 2837262 3783016 5201647 5674524 10403294 11349048 15604941 20806588 31209882 41613176 57218117 62419764 114436234 124839528 171654351 228872468 343308702 457744936 686617404 1373234808