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4252157 = 71346727
BaseRepresentation
bin10000001110000111111101
322000000212022
4100032013331
52042032112
6231045525
751066650
oct20160775
98000768
104252157
112444788
1215108a5
13b5b590
147c9897
1558ed72
hex40e1fd

4252157 has 8 divisors (see below), whose sum is σ = 5233536. Its totient is φ = 3364272.

The previous prime is 4252147. The next prime is 4252163. The reversal of 4252157 is 7512524.

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

It is a cyclic number.

It is not a de Polignac number, because 4252157 - 26 = 4252093 is a prime.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4252117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23273 + ... + 23454.

It is an arithmetic number, because the mean of its divisors is an integer number (654192).

Almost surely, 24252157 is an apocalyptic number.

It is an amenable number.

4252157 is a deficient number, since it is larger than the sum of its proper divisors (981379).

4252157 is a wasteful number, since it uses less digits than its factorization.

4252157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46747.

The product of its digits is 2800, while the sum is 26.

The square root of 4252157 is about 2062.0758957905. The cubic root of 4252157 is about 162.0079887337.

The spelling of 4252157 in words is "four million, two hundred fifty-two thousand, one hundred fifty-seven".

Divisors: 1 7 13 91 46727 327089 607451 4252157