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3205142 = 22369677
BaseRepresentation
bin1100001110100000010110
320000211121222
430032200112
51310031032
6152410342
736146303
oct14164026
96024558
103205142
11189a086
1210a69b2
13882b45
145d60aa
15434a12
hex30e816

3205142 has 8 divisors (see below), whose sum is σ = 5016816. Its totient is φ = 1532872.

The previous prime is 3205141. The next prime is 3205217. The reversal of 3205142 is 2415023.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3205142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3205141) 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, 34793 + ... + 34884.

It is an arithmetic number, because the mean of its divisors is an integer number (627102).

Almost surely, 23205142 is an apocalyptic number.

3205142 is a deficient number, since it is larger than the sum of its proper divisors (1811674).

3205142 is a wasteful number, since it uses less digits than its factorization.

3205142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69702.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 3205142 is about 1790.2910377925. The cubic root of 3205142 is about 147.4401480811.

The spelling of 3205142 in words is "three million, two hundred five thousand, one hundred forty-two".

Divisors: 1 2 23 46 69677 139354 1602571 3205142