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3036421 = 17178613
BaseRepresentation
bin1011100101010100000101
312201021012001
423211110011
51234131141
6145025301
734544353
oct13452405
95637161
103036421
111794343
121025231
138240cb
145907d3
153eea31
hex2e5505

3036421 has 4 divisors (see below), whose sum is σ = 3215052. Its totient is φ = 2857792.

The previous prime is 3036401. The next prime is 3036427. The reversal of 3036421 is 1246303.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2772225 + 264196 = 1665^2 + 514^2 .

It is a cyclic number.

It is not a de Polignac number, because 3036421 - 213 = 3028229 is a prime.

It is a d-powerful number, because it can be written as 32 + 0 + 311 + 68 + 410 + 217 + 1 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3036427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89290 + ... + 89323.

It is an arithmetic number, because the mean of its divisors is an integer number (803763).

Almost surely, 23036421 is an apocalyptic number.

It is an amenable number.

3036421 is a deficient number, since it is larger than the sum of its proper divisors (178631).

3036421 is a wasteful number, since it uses less digits than its factorization.

3036421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178630.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3036421 is about 1742.5329265182. The cubic root of 3036421 is about 144.8062572970.

It can be divided in two parts, 303 and 6421, that added together give a square (6724 = 822).

The spelling of 3036421 in words is "three million, thirty-six thousand, four hundred twenty-one".

Divisors: 1 17 178613 3036421