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1371374730 = 2325116472141
BaseRepresentation
bin101000110111101…
…1000010010001010
310112120111001110200
41101233120102022
510302032442410
6344025153030
745661331025
oct12157302212
93476431420
101371374730
11644118150
1232332b776
1318b16844b
14d01c01bc
15805dd3c0
hex51bd848a

1371374730 has 96 divisors (see below), whose sum is σ = 3897548928. Its totient is φ = 331785600.

The previous prime is 1371374729. The next prime is 1371374743. The reversal of 1371374730 is 374731731.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 639460 + ... + 641600.

It is an arithmetic number, because the mean of its divisors is an integer number (40599468).

Almost surely, 21371374730 is an apocalyptic number.

1371374730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1371374730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1948774464).

1371374730 is an abundant number, since it is smaller than the sum of its proper divisors (2526174198).

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

1371374730 is a wasteful number, since it uses less digits than its factorization.

1371374730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2812 (or 2809 counting only the distinct ones).

The product of its (nonzero) digits is 37044, while the sum is 36.

The square root of 1371374730 is about 37032.0770413975. The cubic root of 1371374730 is about 1111.0119089840.

The spelling of 1371374730 in words is "one billion, three hundred seventy-one million, three hundred seventy-four thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 90 99 110 165 198 330 495 647 990 1294 1941 2141 3235 3882 4282 5823 6423 6470 7117 9705 10705 11646 12846 14234 19269 19410 21351 21410 23551 29115 32115 35585 38538 42702 47102 58230 64053 64230 70653 71170 96345 106755 117755 128106 141306 192690 211959 213510 235510 320265 353265 423918 640530 706530 1059795 1385227 2119590 2770454 4155681 6926135 8311362 12467043 13852270 15237497 20778405 24934086 30474994 41556810 45712491 62335215 76187485 91424982 124670430 137137473 152374970 228562455 274274946 457124910 685687365 1371374730