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2146144 = 257111367
BaseRepresentation
bin1000001011111101100000
311001000221211
420023331200
51022134034
6113555504
724145660
oct10137540
94030854
102146144
111236480
12875b94
135a1b10
143dc1a0
152c5d64
hex20bf60

2146144 has 96 divisors (see below), whose sum is σ = 5757696. Its totient is φ = 760320.

The previous prime is 2146141. The next prime is 2146159. The reversal of 2146144 is 4416412.

2146144 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2146141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31999 + ... + 32065.

It is an arithmetic number, because the mean of its divisors is an integer number (59976).

22146144 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 2146144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2878848).

2146144 is an abundant number, since it is smaller than the sum of its proper divisors (3611552).

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

2146144 is a wasteful number, since it uses less digits than its factorization.

2146144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 100 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 2146144 is about 1464.9723546880. The cubic root of 2146144 is about 128.9890822641.

The spelling of 2146144 in words is "two million, one hundred forty-six thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 11 13 14 16 22 26 28 32 44 52 56 67 77 88 91 104 112 134 143 154 176 182 208 224 268 286 308 352 364 416 469 536 572 616 728 737 871 938 1001 1072 1144 1232 1456 1474 1742 1876 2002 2144 2288 2464 2912 2948 3484 3752 4004 4576 5159 5896 6097 6968 7504 8008 9581 10318 11792 12194 13936 15008 16016 19162 20636 23584 24388 27872 32032 38324 41272 48776 67067 76648 82544 97552 134134 153296 165088 195104 268268 306592 536536 1073072 2146144