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16482640 = 245206033
BaseRepresentation
bin111110111000…
…000101010000
31011000101221011
4332320011100
513204421030
61345140304
7260046226
oct76700520
934011834
1016482640
119338719
12562a694
133551455
142290b16
1516a8b2a
hexfb8150

16482640 has 20 divisors (see below), whose sum is σ = 38322324. Its totient is φ = 6593024.

The previous prime is 16482623. The next prime is 16482659. The reversal of 16482640 is 4628461.

It can be written as a sum of positive squares in 2 ways, for example, as 10837264 + 5645376 = 3292^2 + 2376^2 .

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

It is a congruent number.

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, 102937 + ... + 103096.

Almost surely, 216482640 is an apocalyptic number.

16482640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16482640 is an abundant number, since it is smaller than the sum of its proper divisors (21839684).

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

16482640 is a wasteful number, since it uses less digits than its factorization.

16482640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206046 (or 206040 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 16482640 is about 4059.8817716776. The cubic root of 16482640 is about 254.4928533856.

The spelling of 16482640 in words is "sixteen million, four hundred eighty-two thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 206033 412066 824132 1030165 1648264 2060330 3296528 4120660 8241320 16482640