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4247042 = 217235431
BaseRepresentation
bin10000001100111000000010
321222202211212
4100030320002
52041401132
6231010122
751046022
oct20147002
97882755
104247042
112440958
121509942
13b59157
147c7a82
1558d5b2
hex40ce02

4247042 has 16 divisors (see below), whose sum is σ = 7039872. Its totient is φ = 1911360.

The previous prime is 4247039. The next prime is 4247053. The reversal of 4247042 is 2407424.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 4246999 and 4247017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1934 + ... + 3497.

It is an arithmetic number, because the mean of its divisors is an integer number (439992).

Almost surely, 24247042 is an apocalyptic number.

4247042 is a deficient number, since it is larger than the sum of its proper divisors (2792830).

4247042 is a wasteful number, since it uses less digits than its factorization.

4247042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5473.

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 4247042 is about 2060.8352675554. The cubic root of 4247042 is about 161.9430018452.

The spelling of 4247042 in words is "four million, two hundred forty-seven thousand, forty-two".

Divisors: 1 2 17 23 34 46 391 782 5431 10862 92327 124913 184654 249826 2123521 4247042