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16526980 = 225826349
BaseRepresentation
bin111111000010…
…111010000100
31011002122202101
4333002322010
513212330410
61350121444
7260322421
oct77027204
934078671
1016526980
119368a68
125650284
1335686a2
1422a2d48
1516b6d3a
hexfc2e84

16526980 has 12 divisors (see below), whose sum is σ = 34706700. Its totient is φ = 6610784.

The previous prime is 16526971. The next prime is 16526987. The reversal of 16526980 is 8962561.

16526980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10445824 + 6081156 = 3232^2 + 2466^2 .

It is not an unprimeable number, because it can be changed into a prime (16526987) 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, 413155 + ... + 413194.

It is an arithmetic number, because the mean of its divisors is an integer number (2892225).

Almost surely, 216526980 is an apocalyptic number.

16526980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16526980 is an abundant number, since it is smaller than the sum of its proper divisors (18179720).

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

16526980 is a wasteful number, since it uses less digits than its factorization.

16526980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826358 (or 826356 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 16526980 is about 4065.3388542654. The cubic root of 16526980 is about 254.7208530598.

The spelling of 16526980 in words is "sixteen million, five hundred twenty-six thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 826349 1652698 3305396 4131745 8263490 16526980