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677280041 = 1493453637
BaseRepresentation
bin101000010111100…
…111100100101001
31202012102101112222
4220113213210221
52341340430131
6151112243425
722532533244
oct5027474451
91665371488
10677280041
11318341579
1216a9a0575
13aa415c29
1465d4225b
153e6d587b
hex285e7929

677280041 has 4 divisors (see below), whose sum is σ = 677735172. Its totient is φ = 676824912.

The previous prime is 677280029. The next prime is 677280047. The reversal of 677280041 is 140082776.

It is a happy number.

677280041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 562875625 + 114404416 = 23725^2 + 10696^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-677280041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 677279983 and 677280010.

It is not an unprimeable number, because it can be changed into a prime (677280047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225326 + ... + 228311.

It is an arithmetic number, because the mean of its divisors is an integer number (169433793).

Almost surely, 2677280041 is an apocalyptic number.

It is an amenable number.

677280041 is a deficient number, since it is larger than the sum of its proper divisors (455131).

677280041 is a wasteful number, since it uses less digits than its factorization.

677280041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455130.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 677280041 is about 26024.6045310971. The cubic root of 677280041 is about 878.1918974393.

The spelling of 677280041 in words is "six hundred seventy-seven million, two hundred eighty thousand, forty-one".

Divisors: 1 1493 453637 677280041