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16132880 = 245201661
BaseRepresentation
bin111101100010…
…101100010000
31010100122011002
4331202230100
513112223010
61333441132
7254061431
oct75425420
933318132
1016132880
119119965
1254a01a8
13345b1aa
1421dd488
15163a1a5
hexf62b10

16132880 has 20 divisors (see below), whose sum is σ = 37509132. Its totient is φ = 6453120.

The previous prime is 16132877. The next prime is 16132931. The reversal of 16132880 is 8823161.

It can be written as a sum of positive squares in 2 ways, for example, as 6071296 + 10061584 = 2464^2 + 3172^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100751 + ... + 100910.

Almost surely, 216132880 is an apocalyptic number.

16132880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16132880 is an abundant number, since it is smaller than the sum of its proper divisors (21376252).

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

16132880 is a wasteful number, since it uses less digits than its factorization.

16132880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201674 (or 201668 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 16132880 is about 4016.5756559537. The cubic root of 16132880 is about 252.6798640042.

The spelling of 16132880 in words is "sixteen million, one hundred thirty-two thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 201661 403322 806644 1008305 1613288 2016610 3226576 4033220 8066440 16132880