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2101248 = 2123319
BaseRepresentation
bin1000000001000000000000
310221202101000
420001000000
51014214443
6113012000
723601042
oct10010000
93852330
102101248
111205776
12854000
13587556
143c9a92
152b78d3
hex201000

2101248 has 104 divisors (see below), whose sum is σ = 6552800. Its totient is φ = 663552.

The previous prime is 2101247. The next prime is 2101249. The reversal of 2101248 is 8421012.

It is an interprime number because it is at equal distance from previous prime (2101247) and next prime (2101249).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a taxicab number since it can be written as a sum of two cubes in more than one way. Here 2101248 = 163 + 1283 = 723 + 1203.

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 2101248.

It is not an unprimeable number, because it can be changed into a prime (2101243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (2) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110583 + ... + 110601.

22101248 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 2101248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3276400).

2101248 is an abundant number, since it is smaller than the sum of its proper divisors (4451552).

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

2101248 is an equidigital number, since it uses as much as digits as its factorization.

2101248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52 (or 24 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 2101248 is about 1449.5682115720. The cubic root of 2101248 is about 128.0832791387.

The spelling of 2101248 in words is "two million, one hundred one thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 27 32 36 38 48 54 57 64 72 76 96 108 114 128 144 152 171 192 216 228 256 288 304 342 384 432 456 512 513 576 608 684 768 864 912 1024 1026 1152 1216 1368 1536 1728 1824 2048 2052 2304 2432 2736 3072 3456 3648 4096 4104 4608 4864 5472 6144 6912 7296 8208 9216 9728 10944 12288 13824 14592 16416 18432 19456 21888 27648 29184 32832 36864 38912 43776 55296 58368 65664 77824 87552 110592 116736 131328 175104 233472 262656 350208 525312 700416 1050624 2101248