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1374417780 = 2235197116279
BaseRepresentation
bin101000111101011…
…1111001101110100
310112210012122202020
41101322333031310
510303322332110
6344214313140
746026233631
oct12172771564
93483178666
101374417780
1164590646a
123243587b0
1318b992578
14d0773188
15809ded70
hex51ebf374

1374417780 has 48 divisors (see below), whose sum is σ = 3867937920. Its totient is φ = 364647808.

The previous prime is 1374417773. The next prime is 1374417841. The reversal of 1374417780 is 877144731.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46320 + ... + 69959.

It is an arithmetic number, because the mean of its divisors is an integer number (80582040).

Almost surely, 21374417780 is an apocalyptic number.

1374417780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1374417780 is an abundant number, since it is smaller than the sum of its proper divisors (2493520140).

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

1374417780 is a wasteful number, since it uses less digits than its factorization.

1374417780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116488 (or 116486 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 42.

The square root of 1374417780 is about 37073.1409513680. The cubic root of 1374417780 is about 1111.8330721342.

The spelling of 1374417780 in words is "one billion, three hundred seventy-four million, four hundred seventeen thousand, seven hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 197 394 591 788 985 1182 1970 2364 2955 3940 5910 11820 116279 232558 348837 465116 581395 697674 1162790 1395348 1744185 2325580 3488370 6976740 22906963 45813926 68720889 91627852 114534815 137441778 229069630 274883556 343604445 458139260 687208890 1374417780