Search a number
-
+
677208331 = 4196912339
BaseRepresentation
bin101000010111010…
…110000100001011
31202012021202012001
4220113112010023
52341331131311
6151110531431
722532114212
oct5027260413
91665252161
10677208331
113182a2708
1216a966b77
13aa3bc3b7
1465d24079
153e6be4c1
hex285d610b

677208331 has 8 divisors (see below), whose sum is σ = 680097600. Its totient is φ = 674325960.

The previous prime is 677208283. The next prime is 677208347. The reversal of 677208331 is 133802776.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 677208331 - 229 = 140337419 is a prime.

It is a super-2 number, since 2×6772083312 = 917222247151611122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (677200331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288360 + ... + 290698.

It is an arithmetic number, because the mean of its divisors is an integer number (85012200).

Almost surely, 2677208331 is an apocalyptic number.

677208331 is a deficient number, since it is larger than the sum of its proper divisors (2889269).

677208331 is a wasteful number, since it uses less digits than its factorization.

677208331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3449.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 677208331 is about 26023.2267599543. The cubic root of 677208331 is about 878.1609022035.

The spelling of 677208331 in words is "six hundred seventy-seven million, two hundred eight thousand, three hundred thirty-one".

Divisors: 1 419 691 2339 289529 980041 1616249 677208331