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2938880 = 2115741
BaseRepresentation
bin1011001101100000000000
312112022101102
423031200000
51223021010
6142553532
733660110
oct13154000
95468342
102938880
11172802a
12b988a8
137bb8a9
14567040
153d0ba5
hex2cd800

2938880 has 96 divisors (see below), whose sum is σ = 8255520. Its totient is φ = 983040.

The previous prime is 2938861. The next prime is 2938927. The reversal of 2938880 is 888392.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71660 + ... + 71700.

It is an arithmetic number, because the mean of its divisors is an integer number (85995).

22938880 is an apocalyptic number.

2938880 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 2938880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4127760).

2938880 is an abundant number, since it is smaller than the sum of its proper divisors (5316640).

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

2938880 is an equidigital number, since it uses as much as digits as its factorization.

2938880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75 (or 55 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 2938880 is about 1714.3161902053. The cubic root of 2938880 is about 143.2387814607.

The spelling of 2938880 in words is "two million, nine hundred thirty-eight thousand, eight hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 41 56 64 70 80 82 112 128 140 160 164 205 224 256 280 287 320 328 410 448 512 560 574 640 656 820 896 1024 1120 1148 1280 1312 1435 1640 1792 2048 2240 2296 2560 2624 2870 3280 3584 4480 4592 5120 5248 5740 6560 7168 8960 9184 10240 10496 11480 13120 14336 17920 18368 20992 22960 26240 35840 36736 41984 45920 52480 71680 73472 83968 91840 104960 146944 183680 209920 293888 367360 419840 587776 734720 1469440 2938880