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3840980 = 22511131779
BaseRepresentation
bin1110101001101111010100
321020010211112
432221233110
51440402410
6214154152
744435123
oct16515724
97203745
103840980
112193870
121352958
13a46390
1471daba
1550d105
hex3a9bd4

3840980 has 96 divisors (see below), whose sum is σ = 10160640. Its totient is φ = 1198080.

The previous prime is 3840971. The next prime is 3841009. The reversal of 3840980 is 890483.

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 31 ways as a sum of consecutive naturals, for example, 48581 + ... + 48659.

It is an arithmetic number, because the mean of its divisors is an integer number (105840).

Almost surely, 23840980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3840980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5080320).

3840980 is an abundant number, since it is smaller than the sum of its proper divisors (6319660).

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

3840980 is a wasteful number, since it uses less digits than its factorization.

3840980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 3840980 is about 1959.8418303526. The cubic root of 3840980 is about 156.6080259383.

The spelling of 3840980 in words is "three million, eight hundred forty thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 11 13 17 20 22 26 34 44 52 55 65 68 79 85 110 130 143 158 170 187 220 221 260 286 316 340 374 395 442 572 715 748 790 869 884 935 1027 1105 1343 1430 1580 1738 1870 2054 2210 2431 2686 2860 3476 3740 4108 4345 4420 4862 5135 5372 6715 8690 9724 10270 11297 12155 13430 14773 17380 17459 20540 22594 24310 26860 29546 34918 45188 48620 56485 59092 69836 73865 87295 112970 147730 174590 192049 225940 295460 349180 384098 768196 960245 1920490 3840980