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16208490 = 235540283
BaseRepresentation
bin111101110101…
…001001101010
31010111110212110
4331311021222
513122132430
61335223150
7254525034
oct75651152
933443773
1016208490
119170751
125517ab6
13348672c
14221cc54
1516527b0
hexf7526a

16208490 has 16 divisors (see below), whose sum is σ = 38900448. Its totient is φ = 4322256.

The previous prime is 16208483. The next prime is 16208503. The reversal of 16208490 is 9480261.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 540283 = 16208490 / (1 + 6 + 2 + 0 + 8 + 4 + 9 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270112 + ... + 270171.

It is an arithmetic number, because the mean of its divisors is an integer number (2431278).

Almost surely, 216208490 is an apocalyptic number.

16208490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16208490 is an abundant number, since it is smaller than the sum of its proper divisors (22691958).

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

16208490 is a wasteful number, since it uses less digits than its factorization.

16208490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540293.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 16208490 is about 4025.9769000828. The cubic root of 16208490 is about 253.0739939904.

The spelling of 16208490 in words is "sixteen million, two hundred eight thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 540283 1080566 1620849 2701415 3241698 5402830 8104245 16208490