Search a number
-
+
7028937201 = 31113132712347
BaseRepresentation
bin1101000101111010…
…10001000111110001
3200010212012000011110
412202331101013301
5103343401442301
63121250303533
7336116660166
oct64275210761
920125160143
107028937201
112a87719610
121441b87ba9
138802c8250
144a973006d
152b21330d6
hex1a2f511f1

7028937201 has 32 divisors (see below), whose sum is σ = 11019552768. Its totient is φ = 3928991040.

The previous prime is 7028937199. The next prime is 7028937217. The reversal of 7028937201 is 1027398207.

It is not a de Polignac number, because 7028937201 - 21 = 7028937199 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 7028937201.

It is not an unprimeable number, because it can be changed into a prime (7028937001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 563110 + ... + 575456.

It is an arithmetic number, because the mean of its divisors is an integer number (344361024).

Almost surely, 27028937201 is an apocalyptic number.

It is an amenable number.

7028937201 is a deficient number, since it is larger than the sum of its proper divisors (3990615567).

7028937201 is a wasteful number, since it uses less digits than its factorization.

7028937201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13701.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 7028937201 is about 83838.7571532403. The cubic root of 7028937201 is about 1915.5635052448.

The spelling of 7028937201 in words is "seven billion, twenty-eight million, nine hundred thirty-seven thousand, two hundred one".

Divisors: 1 3 11 13 33 39 143 429 1327 3981 12347 14597 17251 37041 43791 51753 135817 160511 189761 407451 481533 569283 1765621 5296863 16384469 49153407 180229159 212998097 540687477 638994291 2342979067 7028937201