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3852157 = 29132833
BaseRepresentation
bin1110101100011101111101
321020201011111
432230131331
51441232112
6214322021
744512531
oct16543575
97221144
103852157
1121a1201
121359311
13a4b4aa
14723bc1
155115a7
hex3ac77d

3852157 has 4 divisors (see below), whose sum is σ = 3985020. Its totient is φ = 3719296.

The previous prime is 3852151. The next prime is 3852209. The reversal of 3852157 is 7512583.

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 715716 + 3136441 = 846^2 + 1771^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3852157 is a prime.

It is a super-2 number, since 2×38521572 = 29678227105298, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

3852157 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3852151) 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, 66388 + ... + 66445.

It is an arithmetic number, because the mean of its divisors is an integer number (996255).

Almost surely, 23852157 is an apocalyptic number.

It is an amenable number.

3852157 is a deficient number, since it is larger than the sum of its proper divisors (132863).

3852157 is a wasteful number, since it uses less digits than its factorization.

3852157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132862.

The product of its digits is 8400, while the sum is 31.

The square root of 3852157 is about 1962.6912645651. The cubic root of 3852157 is about 156.7597851931.

The spelling of 3852157 in words is "three million, eight hundred fifty-two thousand, one hundred fifty-seven".

Divisors: 1 29 132833 3852157