Search a number
-
+
4003422020 = 2251315397777
BaseRepresentation
bin1110111010011111…
…0101111101000100
3101100000010220120122
43232213311331010
531144334001040
61501131121112
7201131345213
oct35647657504
911300126518
104003422020
111774911244
129388a3198
134ba54c190
1429d9a507a
151866ee1b5
hexee9f5f44

4003422020 has 24 divisors (see below), whose sum is σ = 9053893464. Its totient is φ = 1478186496.

The previous prime is 4003422011. The next prime is 4003422023. The reversal of 4003422020 is 202243004.

It can be written as a sum of positive squares in 4 ways, for example, as 984578884 + 3018843136 = 31378^2 + 54944^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4003422020.

It is not an unprimeable number, because it can be changed into a prime (4003422023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7698629 + ... + 7699148.

It is an arithmetic number, because the mean of its divisors is an integer number (377245561).

Almost surely, 24003422020 is an apocalyptic number.

It is an amenable number.

4003422020 is an abundant number, since it is smaller than the sum of its proper divisors (5050471444).

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

4003422020 is a wasteful number, since it uses less digits than its factorization.

4003422020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15397799 (or 15397797 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 4003422020 is about 63272.6008632489. The cubic root of 4003422020 is about 1587.8535994528.

Adding to 4003422020 its reverse (202243004), we get a palindrome (4205665024).

The spelling of 4003422020 in words is "four billion, three million, four hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 15397777 30795554 61591108 76988885 153977770 200171101 307955540 400342202 800684404 1000855505 2001711010 4003422020