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4243970 = 25424397
BaseRepresentation
bin10000001100001000000010
321222121122002
4100030020002
52041301340
6230544002
751034043
oct20141002
97877562
104243970
112439615
121508002
13b57933
147c68ca
1558c715
hex40c202

4243970 has 8 divisors (see below), whose sum is σ = 7639164. Its totient is φ = 1697584.

The previous prime is 4243969. The next prime is 4243979. The reversal of 4243970 is 793424.

It can be written as a sum of positive squares in 2 ways, for example, as 4239481 + 4489 = 2059^2 + 67^2 .

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

It is a super-2 number, since 2×42439702 = 36022562721800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4243979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212189 + ... + 212208.

Almost surely, 24243970 is an apocalyptic number.

4243970 is a deficient number, since it is larger than the sum of its proper divisors (3395194).

4243970 is a wasteful number, since it uses less digits than its factorization.

4243970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424404.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 4243970 is about 2060.0898038678. The cubic root of 4243970 is about 161.9039465137.

The spelling of 4243970 in words is "four million, two hundred forty-three thousand, nine hundred seventy".

Divisors: 1 2 5 10 424397 848794 2121985 4243970