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1393880160 = 253517916223
BaseRepresentation
bin101001100010100…
…1110110001100000
310121010211110010010
41103011032301200
510323313131120
6350151404520
746353533361
oct12305166140
93533743103
101393880160
11655899882
1232a983740
13192a1807a
14d319bb68
15825867e0
hex5314ec60

1393880160 has 96 divisors (see below), whose sum is σ = 4415523840. Its totient is φ = 369602048.

The previous prime is 1393880143. The next prime is 1393880179. The reversal of 1393880160 is 610883931.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77809 + ... + 94031.

It is an arithmetic number, because the mean of its divisors is an integer number (45995040).

Almost surely, 21393880160 is an apocalyptic number.

1393880160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1393880160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2207761920).

1393880160 is an abundant number, since it is smaller than the sum of its proper divisors (3021643680).

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

1393880160 is a wasteful number, since it uses less digits than its factorization.

1393880160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16420 (or 16412 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 1393880160 is about 37334.7044986297. The cubic root of 1393880160 is about 1117.0565141626.

The spelling of 1393880160 in words is "one billion, three hundred ninety-three million, eight hundred eighty thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 179 240 358 480 537 716 895 1074 1432 1790 2148 2685 2864 3580 4296 5370 5728 7160 8592 10740 14320 16223 17184 21480 28640 32446 42960 48669 64892 81115 85920 97338 129784 162230 194676 243345 259568 324460 389352 486690 519136 648920 778704 973380 1297840 1557408 1946760 2595680 2903917 3893520 5807834 7787040 8711751 11615668 14519585 17423502 23231336 29039170 34847004 43558755 46462672 58078340 69694008 87117510 92925344 116156680 139388016 174235020 232313360 278776032 348470040 464626720 696940080 1393880160