Search a number
-
+
7031302228 = 221807797241
BaseRepresentation
bin1101000110001100…
…10010100001010100
3200011000122011101001
412203012102201110
5103400003132403
63121413113044
7336146040256
oct64306224124
920130564331
107031302228
112a88a94485
121442928784
13880945882
144a9b87cd6
152b244dc1d
hex1a3192854

7031302228 has 12 divisors (see below), whose sum is σ = 12305586132. Its totient is φ = 3515420480.

The previous prime is 7031302217. The next prime is 7031302247. The reversal of 7031302228 is 8222031307.

It can be written as a sum of positive squares in 2 ways, for example, as 2958054544 + 4073247684 = 54388^2 + 63822^2 .

It is a super-2 number, since 2×70313022282 = 98878422042955527968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7031302196 and 7031302205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23688 + ... + 120928.

It is an arithmetic number, because the mean of its divisors is an integer number (1025465511).

Almost surely, 27031302228 is an apocalyptic number.

It is an amenable number.

7031302228 is a deficient number, since it is larger than the sum of its proper divisors (5274283904).

7031302228 is a wasteful number, since it uses less digits than its factorization.

7031302228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115322 (or 115320 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 7031302228 is about 83852.8605832860. The cubic root of 7031302228 is about 1915.7783244162.

The spelling of 7031302228 in words is "seven billion, thirty-one million, three hundred two thousand, two hundred twenty-eight".

Divisors: 1 2 4 18077 36154 72308 97241 194482 388964 1757825557 3515651114 7031302228