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4249997 = 17923743
BaseRepresentation
bin10000001101100110001101
321222220220022
4100031212031
52041444442
6231031525
751060443
oct20154615
97886808
104249997
1124430a4
12150b5a5
13b5a5bb
147c8b93
1558e3d2
hex40d98d

4249997 has 4 divisors (see below), whose sum is σ = 4273920. Its totient is φ = 4226076.

The previous prime is 4249981. The next prime is 4250021. The reversal of 4249997 is 7999424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4249997 - 24 = 4249981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4249957) 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, 11693 + ... + 12050.

It is an arithmetic number, because the mean of its divisors is an integer number (1068480).

Almost surely, 24249997 is an apocalyptic number.

It is an amenable number.

4249997 is a deficient number, since it is larger than the sum of its proper divisors (23923).

4249997 is a wasteful number, since it uses less digits than its factorization.

4249997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23922.

The product of its digits is 163296, while the sum is 44.

The square root of 4249997 is about 2061.5520852018. The cubic root of 4249997 is about 161.9805519508.

The spelling of 4249997 in words is "four million, two hundred forty-nine thousand, nine hundred ninety-seven".

Divisors: 1 179 23743 4249997