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4147144 = 23539781
BaseRepresentation
bin1111110100011111001000
321210200210221
433310133020
52030202034
6224515424
750151541
oct17643710
97720727
104147144
1123828a1
12147bb74
13b22841
1479d4c8
1556dbb4
hex3f47c8

4147144 has 16 divisors (see below), whose sum is σ = 7923420. Its totient is φ = 2034240.

The previous prime is 4147103. The next prime is 4147147. The reversal of 4147144 is 4417414.

It can be written as a sum of positive squares in 2 ways, for example, as 4120900 + 26244 = 2030^2 + 162^2 .

It is not an unprimeable number, because it can be changed into a prime (4147147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4467 + ... + 5314.

Almost surely, 24147144 is an apocalyptic number.

It is an amenable number.

4147144 is a deficient number, since it is larger than the sum of its proper divisors (3776276).

4147144 is a wasteful number, since it uses less digits than its factorization.

4147144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9840 (or 9836 counting only the distinct ones).

The product of its digits is 1792, while the sum is 25.

The square root of 4147144 is about 2036.4537804723. The cubic root of 4147144 is about 160.6631848636.

The spelling of 4147144 in words is "four million, one hundred forty-seven thousand, one hundred forty-four".

Divisors: 1 2 4 8 53 106 212 424 9781 19562 39124 78248 518393 1036786 2073572 4147144