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2110240 = 255112109
BaseRepresentation
bin1000000011001100100000
310222012201001
420003030200
51020011430
6113121344
723636206
oct10031440
93865631
102110240
111211500
12859254
1358b682
143cd076
152ba3ca
hex203320

2110240 has 72 divisors (see below), whose sum is σ = 5530140. Its totient is φ = 760320.

The previous prime is 2110223. The next prime is 2110247. The reversal of 2110240 is 420112.

It can be written as a sum of positive squares in 2 ways, for example, as 2108304 + 1936 = 1452^2 + 44^2 .

It is a super-2 number, since 2×21102402 = 8906225715200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (2110247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19306 + ... + 19414.

22110240 is an apocalyptic number.

2110240 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 2110240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2765070).

2110240 is an abundant number, since it is smaller than the sum of its proper divisors (3419900).

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

2110240 is a wasteful number, since it uses less digits than its factorization.

2110240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2110240 is about 1452.6665136913. Note that the first 3 decimals coincide. The cubic root of 2110240 is about 128.2657240251.

Adding to 2110240 its reverse (420112), we get a palindrome (2530352).

The spelling of 2110240 in words is "two million, one hundred ten thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 80 88 109 110 121 160 176 218 220 242 352 436 440 484 545 605 872 880 968 1090 1199 1210 1744 1760 1936 2180 2398 2420 3488 3872 4360 4796 4840 5995 8720 9592 9680 11990 13189 17440 19184 19360 23980 26378 38368 47960 52756 65945 95920 105512 131890 191840 211024 263780 422048 527560 1055120 2110240