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2145066 = 237114643
BaseRepresentation
bin1000001011101100101010
311000222110220
420023230222
51022120231
6113550510
724142560
oct10135452
94028426
102145066
111235690
12875436
135a1491
143dba30
152c5896
hex20bb2a

2145066 has 32 divisors (see below), whose sum is σ = 5349888. Its totient is φ = 557040.

The previous prime is 2145047. The next prime is 2145067. The reversal of 2145066 is 6605412.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2145067) 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, 1860 + ... + 2783.

It is an arithmetic number, because the mean of its divisors is an integer number (167184).

22145066 is an apocalyptic number.

2145066 is an abundant number, since it is smaller than the sum of its proper divisors (3204822).

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

2145066 is a wasteful number, since it uses less digits than its factorization.

2145066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4666.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2145066 is about 1464.6043834428. The cubic root of 2145066 is about 128.9674817380.

The spelling of 2145066 in words is "two million, one hundred forty-five thousand, sixty-six".

Divisors: 1 2 3 6 7 11 14 21 22 33 42 66 77 154 231 462 4643 9286 13929 27858 32501 51073 65002 97503 102146 153219 195006 306438 357511 715022 1072533 2145066