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7164142 = 215972243
BaseRepresentation
bin11011010101000011101110
3111110222100121
4123111003232
53313223032
6413315154
7114615466
oct33250356
914428317
107164142
114053587
122495aba
13163ab4b
14d46ba6
15967a97
hex6d50ee

7164142 has 8 divisors (see below), whose sum is σ = 10757736. Its totient is φ = 3578232.

The previous prime is 7164139. The next prime is 7164151. The reversal of 7164142 is 2414617.

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

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2073 + ... + 4315.

It is an arithmetic number, because the mean of its divisors is an integer number (1344717).

Almost surely, 27164142 is an apocalyptic number.

7164142 is a deficient number, since it is larger than the sum of its proper divisors (3593594).

7164142 is a wasteful number, since it uses less digits than its factorization.

7164142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3842.

The product of its digits is 1344, while the sum is 25.

The square root of 7164142 is about 2676.5914891892. The cubic root of 7164142 is about 192.7767829288.

Adding to 7164142 its reverse (2414617), we get a palindrome (9578759).

The spelling of 7164142 in words is "seven million, one hundred sixty-four thousand, one hundred forty-two".

Divisors: 1 2 1597 2243 3194 4486 3582071 7164142