Search a number
-
+
80946572 = 2272890949
BaseRepresentation
bin1001101001100…
…10010110001100
312122022111211012
410310302112030
5131210242242
612010544352
72002014560
oct464622614
9178274735
1080946572
11417683a3
12231380b8
1313a021a5
14aa716a0
15718e282
hex4d3258c

80946572 has 12 divisors (see below), whose sum is σ = 161893200. Its totient is φ = 34691376.

The previous prime is 80946559. The next prime is 80946577. The reversal of 80946572 is 27564908.

80946572 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (80946577) 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, 1445447 + ... + 1445502.

It is an arithmetic number, because the mean of its divisors is an integer number (13491100).

Almost surely, 280946572 is an apocalyptic number.

It is an amenable number.

80946572 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

80946572 is a wasteful number, since it uses less digits than its factorization.

80946572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2890960 (or 2890958 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 80946572 is about 8997.0312881528. The cubic root of 80946572 is about 432.5797186743.

It can be divided in two parts, 80946 and 572, that added together give a palindrome (81518).

The spelling of 80946572 in words is "eighty million, nine hundred forty-six thousand, five hundred seventy-two".

Divisors: 1 2 4 7 14 28 2890949 5781898 11563796 20236643 40473286 80946572