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677269049 = 4315750443
BaseRepresentation
bin101000010111100…
…100111000111001
31202012101211110212
4220113210320321
52341340102144
6151112120505
722532456222
oct5027447071
91665354425
10677269049
11318334296
1216a996135
13aa410c22
1465d3c249
153e6d249e
hex285e4e39

677269049 has 4 divisors (see below), whose sum is σ = 693019536. Its totient is φ = 661518564.

The previous prime is 677269039. The next prime is 677269067. The reversal of 677269049 is 940962776.

677269049 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 677269049 - 28 = 677268793 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 677268988 and 677269006.

It is not an unprimeable number, because it can be changed into a prime (677269009) 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, 7875179 + ... + 7875264.

It is an arithmetic number, because the mean of its divisors is an integer number (173254884).

Almost surely, 2677269049 is an apocalyptic number.

It is an amenable number.

677269049 is a deficient number, since it is larger than the sum of its proper divisors (15750487).

677269049 is a wasteful number, since it uses less digits than its factorization.

677269049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15750486.

The product of its (nonzero) digits is 1143072, while the sum is 50.

The square root of 677269049 is about 26024.3933454749. The cubic root of 677269049 is about 878.1871465057.

The spelling of 677269049 in words is "six hundred seventy-seven million, two hundred sixty-nine thousand, forty-nine".

Divisors: 1 43 15750443 677269049