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2145462 = 231132507
BaseRepresentation
bin1000001011110010110110
311001000000120
420023302312
51022123322
6113552410
724143664
oct10136266
94030016
102145462
111235a10
12875706
135a1707
143dbc34
152c5a5c
hex20bcb6

2145462 has 16 divisors (see below), whose sum is σ = 4681152. Its totient is φ = 650120.

The previous prime is 2145443. The next prime is 2145469. The reversal of 2145462 is 2645412.

2145462 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 220 + 1 + 4 + 54 + 45 + 66 + 220 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145469) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 16188 + ... + 16319.

It is an arithmetic number, because the mean of its divisors is an integer number (292572).

22145462 is an apocalyptic number.

2145462 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2145462 is an abundant number, since it is smaller than the sum of its proper divisors (2535690).

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

2145462 is a wasteful number, since it uses less digits than its factorization.

2145462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32523.

The product of its digits is 1920, while the sum is 24.

The square root of 2145462 is about 1464.7395672952. The cubic root of 2145462 is about 128.9754174659.

The spelling of 2145462 in words is "two million, one hundred forty-five thousand, four hundred sixty-two".

Divisors: 1 2 3 6 11 22 33 66 32507 65014 97521 195042 357577 715154 1072731 2145462