Search a number
-
+
7020904 = 231127253
BaseRepresentation
bin11010110010000101101000
3111012200212111
4122302011220
53244132104
6410252104
7113451052
oct32620550
914180774
107020904
113a65a00
122427034
1315ba8a7
14d0a8d2
1593a404
hex6b2168

7020904 has 24 divisors (see below), whose sum is σ = 14471730. Its totient is φ = 3190880.

The previous prime is 7020901. The next prime is 7020913. The reversal of 7020904 is 4090207.

It can be written as a sum of positive squares in only one way, i.e., 5336100 + 1684804 = 2310^2 + 1298^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (7020901) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2659 + ... + 4594.

Almost surely, 27020904 is an apocalyptic number.

It is an amenable number.

7020904 is an abundant number, since it is smaller than the sum of its proper divisors (7450826).

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

7020904 is a wasteful number, since it uses less digits than its factorization.

7020904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7281 (or 7266 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 7020904 is about 2649.6988508131. The cubic root of 7020904 is about 191.4833476784.

Adding to 7020904 its reverse (4090207), we get a palindrome (11111111).

The spelling of 7020904 in words is "seven million, twenty thousand, nine hundred four".

Divisors: 1 2 4 8 11 22 44 88 121 242 484 968 7253 14506 29012 58024 79783 159566 319132 638264 877613 1755226 3510452 7020904