Search a number
-
+
8672549425 = 521133069929
BaseRepresentation
bin10000001001110110…
…01001101000110001
3211101101221011021021
420010323021220301
5120230133040200
63552322455441
7424625311441
oct100473115061
924341834237
108672549425
113750478821
121820504581
13a82990a67
145c3b38121
1535b59941a
hex204ec9a31

8672549425 has 12 divisors (see below), whose sum is σ = 10849132620. Its totient is φ = 6876638720.

The previous prime is 8672549407. The next prime is 8672549461. The reversal of 8672549425 is 5249452768.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1453668129 + 7218881296 = 38127^2 + 84964^2 .

It is not a de Polignac number, because 8672549425 - 213 = 8672541233 is a prime.

It is a super-3 number, since 3×86725494253 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1532140 + ... + 1537789.

It is an arithmetic number, because the mean of its divisors is an integer number (904094385).

Almost surely, 28672549425 is an apocalyptic number.

It is an amenable number.

8672549425 is a deficient number, since it is larger than the sum of its proper divisors (2176583195).

8672549425 is a wasteful number, since it uses less digits than its factorization.

8672549425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3070052 (or 3070047 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 52.

The square root of 8672549425 is about 93126.5237459232. The cubic root of 8672549425 is about 2054.5447001539.

The spelling of 8672549425 in words is "eight billion, six hundred seventy-two million, five hundred forty-nine thousand, four hundred twenty-five".

Divisors: 1 5 25 113 565 2825 3069929 15349645 76748225 346901977 1734509885 8672549425