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1380574880 = 25515157143
BaseRepresentation
bin101001001001001…
…1110011010100000
310120012210110200222
41102102132122200
510311411344010
6344554302212
746132456436
oct12222363240
93505713628
101380574880
11649331383
12326427968
13190039c19
14d14d6d56
1581309355
hex5249e6a0

1380574880 has 48 divisors (see below), whose sum is σ = 3283265664. Its totient is φ = 548563200.

The previous prime is 1380574861. The next prime is 1380574891. The reversal of 1380574880 is 884750831.

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 7 ways as a sum of consecutive naturals, for example, 4412 + ... + 52731.

It is an arithmetic number, because the mean of its divisors is an integer number (68401368).

Almost surely, 21380574880 is an apocalyptic number.

1380574880 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 1380574880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1641632832).

1380574880 is an abundant number, since it is smaller than the sum of its proper divisors (1902690784).

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

1380574880 is a wasteful number, since it uses less digits than its factorization.

1380574880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57309 (or 57301 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 44.

The square root of 1380574880 is about 37156.0880610432. The cubic root of 1380574880 is about 1113.4908578270.

The spelling of 1380574880 in words is "one billion, three hundred eighty million, five hundred seventy-four thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 151 160 302 604 755 1208 1510 2416 3020 4832 6040 12080 24160 57143 114286 228572 285715 457144 571430 914288 1142860 1828576 2285720 4571440 8628593 9142880 17257186 34514372 43142965 69028744 86285930 138057488 172571860 276114976 345143720 690287440 1380574880