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4200072 = 233175003
BaseRepresentation
bin10000000001011010001000
321220101102020
4100001122020
52033400242
6230004440
750462052
oct20013210
97811366
104200072
112409638
1214a6720
13b40966
147b48d2
1557e6ec
hex401688

4200072 has 16 divisors (see below), whose sum is σ = 10500240. Its totient is φ = 1400016.

The previous prime is 4200047. The next prime is 4200073. The reversal of 4200072 is 2700024.

It is not an unprimeable number, because it can be changed into a prime (4200073) 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, 87478 + ... + 87525.

It is an arithmetic number, because the mean of its divisors is an integer number (656265).

Almost surely, 24200072 is an apocalyptic number.

It is an amenable number.

4200072 is an abundant number, since it is smaller than the sum of its proper divisors (6300168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4200072 is a wasteful number, since it uses less digits than its factorization.

4200072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175012 (or 175008 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 15.

The square root of 4200072 is about 2049.4077193179. The cubic root of 4200072 is about 161.3437865564.

Adding to 4200072 its reverse (2700024), we get a palindrome (6900096).

The spelling of 4200072 in words is "four million, two hundred thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 24 175003 350006 525009 700012 1050018 1400024 2100036 4200072