Search a number
-
+
676381278 = 23176631189
BaseRepresentation
bin101000010100001…
…100001001011110
31202010201201200110
4220110030021132
52341123200103
6151041110450
722522101036
oct5024141136
91663651613
10676381278
113178882a1
1216a628426
13aa18cb11
1465b8a8c6
153e5a9403
hex2850c25e

676381278 has 16 divisors (see below), whose sum is σ = 1432337040. Its totient is φ = 212198016.

The previous prime is 676381273. The next prime is 676381289. The reversal of 676381278 is 872183676.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676381273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3315493 + ... + 3315696.

It is an arithmetic number, because the mean of its divisors is an integer number (89521065).

Almost surely, 2676381278 is an apocalyptic number.

676381278 is an abundant number, since it is smaller than the sum of its proper divisors (755955762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

676381278 is a wasteful number, since it uses less digits than its factorization.

676381278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6631211.

The product of its digits is 677376, while the sum is 48.

The square root of 676381278 is about 26007.3312356343. The cubic root of 676381278 is about 877.8032665793.

The spelling of 676381278 in words is "six hundred seventy-six million, three hundred eighty-one thousand, two hundred seventy-eight".

Divisors: 1 2 3 6 17 34 51 102 6631189 13262378 19893567 39787134 112730213 225460426 338190639 676381278