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4257107 = 13132497
BaseRepresentation
bin10000001111010101010011
322000021122122
4100033111103
52042211412
6231124455
751120251
oct20172523
98007578
104257107
112448478
12151372b
13b608ca
147cb5d1
15591572
hex40f553

4257107 has 4 divisors (see below), whose sum is σ = 4289736. Its totient is φ = 4224480.

The previous prime is 4257101. The next prime is 4257131. The reversal of 4257107 is 7017524.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4257107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4257101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16118 + ... + 16379.

It is an arithmetic number, because the mean of its divisors is an integer number (1072434).

Almost surely, 24257107 is an apocalyptic number.

4257107 is a deficient number, since it is larger than the sum of its proper divisors (32629).

4257107 is a wasteful number, since it uses less digits than its factorization.

4257107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32628.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 4257107 is about 2063.2757934896. The cubic root of 4257107 is about 162.0708296685.

The spelling of 4257107 in words is "four million, two hundred fifty-seven thousand, one hundred seven".

Divisors: 1 131 32497 4257107