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2104589380 = 2253130711057
BaseRepresentation
bin111110101110001…
…0111110001000100
312102200011012212211
41331130113301010
513302233330010
6544500353204
7103103500045
oct17534276104
95380135784
102104589380
1198aa93173
124a89a5804
13277036a7a
1415d7228cc
15c4b7208a
hex7d717c44

2104589380 has 48 divisors (see below), whose sum is σ = 4577481216. Its totient is φ = 811952640.

The previous prime is 2104589369. The next prime is 2104589381. The reversal of 2104589380 is 839854012.

It is not an unprimeable number, because it can be changed into a prime (2104589381) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 184812 + ... + 195868.

It is an arithmetic number, because the mean of its divisors is an integer number (95364192).

Almost surely, 22104589380 is an apocalyptic number.

2104589380 is a gapful number since it is divisible by the number (20) 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 2104589380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2288740608).

2104589380 is an abundant number, since it is smaller than the sum of its proper divisors (2472891836).

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

2104589380 is a wasteful number, since it uses less digits than its factorization.

2104589380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11404 (or 11402 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 2104589380 is about 45875.8038621668. The cubic root of 2104589380 is about 1281.5113536091.

The spelling of 2104589380 in words is "two billion, one hundred four million, five hundred eighty-nine thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 31 62 124 155 307 310 614 620 1228 1535 3070 6140 9517 11057 19034 22114 38068 44228 47585 55285 95170 110570 190340 221140 342767 685534 1371068 1713835 3394499 3427670 6788998 6855340 13577996 16972495 33944990 67889980 105229469 210458938 420917876 526147345 1052294690 2104589380