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2628120 = 2335112181
BaseRepresentation
bin1010000001101000011000
311221112002210
422001220120
51133044440
6132155120
731224105
oct12015030
94845083
102628120
111535600
12a68aa0
13710301
144c5aac
1536da80
hex281a18

2628120 has 96 divisors (see below), whose sum is σ = 8714160. Its totient is φ = 633600.

The previous prime is 2628113. The next prime is 2628127. The reversal of 2628120 is 218262.

It is an interprime number because it is at equal distance from previous prime (2628113) and next prime (2628127).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2628127) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 14430 + ... + 14610.

22628120 is an apocalyptic number.

2628120 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 2628120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4357080).

2628120 is an abundant number, since it is smaller than the sum of its proper divisors (6086040).

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

2628120 is a wasteful number, since it uses less digits than its factorization.

2628120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 2628120 is about 1621.1477415708. The cubic root of 2628120 is about 138.0008401545. Note that the first 3 decimals are identical.

The spelling of 2628120 in words is "two million, six hundred twenty-eight thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 40 44 55 60 66 88 110 120 121 132 165 181 220 242 264 330 362 363 440 484 543 605 660 724 726 905 968 1086 1210 1320 1448 1452 1810 1815 1991 2172 2420 2715 2904 3620 3630 3982 4344 4840 5430 5973 7240 7260 7964 9955 10860 11946 14520 15928 19910 21720 21901 23892 29865 39820 43802 47784 59730 65703 79640 87604 109505 119460 131406 175208 219010 238920 262812 328515 438020 525624 657030 876040 1314060 2628120