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2145002 = 21935557
BaseRepresentation
bin1000001011101011101010
311000222101112
420023223222
51022120002
6113550322
724142436
oct10135352
94028345
102145002
111235632
128753a2
135a1442
143db9c6
152c5852
hex20baea

2145002 has 8 divisors (see below), whose sum is σ = 3234756. Its totient is φ = 1066752.

The previous prime is 2144999. The next prime is 2145023. The reversal of 2145002 is 2005412.

2145002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2105401 + 39601 = 1451^2 + 199^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2393 + ... + 3164.

22145002 is an apocalyptic number.

2145002 is a deficient number, since it is larger than the sum of its proper divisors (1089754).

2145002 is a wasteful number, since it uses less digits than its factorization.

2145002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5752.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 2145002 is about 1464.5825343763. The cubic root of 2145002 is about 128.9661991044.

The spelling of 2145002 in words is "two million, one hundred forty-five thousand, two".

Divisors: 1 2 193 386 5557 11114 1072501 2145002