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16240490 = 257232007
BaseRepresentation
bin111101111100…
…111101101010
31010120002202122
4331330331222
513124143430
61340031242
7255020240
oct75747552
933502678
1016240490
1191927a2
125532522
133498176
14222a790
15165bee5
hexf7cf6a

16240490 has 16 divisors (see below), whose sum is σ = 33409152. Its totient is φ = 5568144.

The previous prime is 16240489. The next prime is 16240519. The reversal of 16240490 is 9404261.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115934 + ... + 116073.

It is an arithmetic number, because the mean of its divisors is an integer number (2088072).

Almost surely, 216240490 is an apocalyptic number.

16240490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16240490 is an abundant number, since it is smaller than the sum of its proper divisors (17168662).

16240490 is a wasteful number, since it uses less digits than its factorization.

16240490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232021.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 16240490 is about 4029.9491311926. The cubic root of 16240490 is about 253.2404303082.

The spelling of 16240490 in words is "sixteen million, two hundred forty thousand, four hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 232007 464014 1160035 1624049 2320070 3248098 8120245 16240490