Search a number
-
+
766376420 = 225311279733
BaseRepresentation
bin101101101011011…
…111100111100100
31222102001221210212
4231223133213210
53032143021140
6204014034552
724664043405
oct5553374744
91872057725
10766376420
11363665a47
121947a8a58
13c2a0c794
1473ad59ac
1547434765
hex2dadf9e4

766376420 has 48 divisors (see below), whose sum is σ = 1674559488. Its totient is φ = 294295680.

The previous prime is 766376357. The next prime is 766376453. The reversal of 766376420 is 24673667.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73874 + ... + 83606.

It is an arithmetic number, because the mean of its divisors is an integer number (34886656).

Almost surely, 2766376420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 766376420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (837279744).

766376420 is an abundant number, since it is smaller than the sum of its proper divisors (908183068).

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

766376420 is a wasteful number, since it uses less digits than its factorization.

766376420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9900 (or 9898 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 41.

The square root of 766376420 is about 27683.5044746867. The cubic root of 766376420 is about 915.1256140563.

The spelling of 766376420 in words is "seven hundred sixty-six million, three hundred seventy-six thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 31 62 124 127 155 254 310 508 620 635 1270 2540 3937 7874 9733 15748 19466 19685 38932 39370 48665 78740 97330 194660 301723 603446 1206892 1236091 1508615 2472182 3017230 4944364 6034460 6180455 12360910 24721820 38318821 76637642 153275284 191594105 383188210 766376420