Search a number
-
+
8412843380 = 2251724743657
BaseRepresentation
bin1111101010111000…
…11100110101110100
3210201022020201112212
413311130130311310
5114212141442010
63510444232552
7415322663114
oct76534346564
923638221485
108412843380
113627915827
12176953b758
13a40c30546
1459b453044
15343899505
hex1f571cd74

8412843380 has 24 divisors (see below), whose sum is σ = 18706205448. Its totient is φ = 3167187968.

The previous prime is 8412843353. The next prime is 8412843391. The reversal of 8412843380 is 833482148.

It can be written as a sum of positive squares in 4 ways, for example, as 962736784 + 7450106596 = 31028^2 + 86314^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12371489 + ... + 12372168.

It is an arithmetic number, because the mean of its divisors is an integer number (779425227).

Almost surely, 28412843380 is an apocalyptic number.

It is an amenable number.

8412843380 is an abundant number, since it is smaller than the sum of its proper divisors (10293362068).

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

8412843380 is a wasteful number, since it uses less digits than its factorization.

8412843380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24743683 (or 24743681 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 41.

The square root of 8412843380 is about 91721.5535193337. The cubic root of 8412843380 is about 2033.8282149972.

The spelling of 8412843380 in words is "eight billion, four hundred twelve million, eight hundred forty-three thousand, three hundred eighty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 24743657 49487314 98974628 123718285 247436570 420642169 494873140 841284338 1682568676 2103210845 4206421690 8412843380