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3906767225 = 52156270689
BaseRepresentation
bin1110100011011100…
…1000100101111001
3101002021021100010102
43220313020211321
531000113022400
61443355325145
7165545654624
oct35067104571
911067240112
103906767225
1117252a5049
129104507b5
134a350a1aa
14290c04dbb
1517ceaa9d5
hexe8dc8979

3906767225 has 6 divisors (see below), whose sum is σ = 4844391390. Its totient is φ = 3125413760.

The previous prime is 3906767191. The next prime is 3906767231. The reversal of 3906767225 is 5227676093.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 339333241 + 3567433984 = 18421^2 + 59728^2 .

It is not a de Polignac number, because 3906767225 - 224 = 3889990009 is a prime.

It is a super-3 number, since 3×39067672253 (a number of 30 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3906767225.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 78135320 + ... + 78135369.

It is an arithmetic number, because the mean of its divisors is an integer number (807398565).

Almost surely, 23906767225 is an apocalyptic number.

It is an amenable number.

3906767225 is a deficient number, since it is larger than the sum of its proper divisors (937624165).

3906767225 is a wasteful number, since it uses less digits than its factorization.

3906767225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156270699 (or 156270694 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 47.

The square root of 3906767225 is about 62504.1376630380. The cubic root of 3906767225 is about 1574.9708199851.

The spelling of 3906767225 in words is "three billion, nine hundred six million, seven hundred sixty-seven thousand, two hundred twenty-five".

Divisors: 1 5 25 156270689 781353445 3906767225