Search a number
-
+
7080957 = 321360521
BaseRepresentation
bin11011000000101111111101
3111022202020200
4123000233331
53303042312
6411434113
7114121122
oct33005775
914282220
107080957
113aa7034
122455939
13160c020
14d24749
1594d0dc
hex6c0bfd

7080957 has 12 divisors (see below), whose sum is σ = 11015004. Its totient is φ = 4357440.

The previous prime is 7080947. The next prime is 7080991. The reversal of 7080957 is 7590807.

It can be written as a sum of positive squares in 2 ways, for example, as 1058841 + 6022116 = 1029^2 + 2454^2 .

It is not a de Polignac number, because 7080957 - 26 = 7080893 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7080907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30144 + ... + 30377.

It is an arithmetic number, because the mean of its divisors is an integer number (917917).

Almost surely, 27080957 is an apocalyptic number.

It is an amenable number.

7080957 is a deficient number, since it is larger than the sum of its proper divisors (3934047).

7080957 is a wasteful number, since it uses less digits than its factorization.

7080957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60540 (or 60537 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 7080957 is about 2661.0067643657. The cubic root of 7080957 is about 192.0277466411.

Subtracting from 7080957 its sum of digits (36), we obtain a square (7080921 = 26612).

The spelling of 7080957 in words is "seven million, eighty thousand, nine hundred fifty-seven".

Divisors: 1 3 9 13 39 117 60521 181563 544689 786773 2360319 7080957