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16285940 = 2251174027
BaseRepresentation
bin111110001000…
…000011110100
31010122102002222
4332020003310
513132122230
61341021512
7255266606
oct76100364
933572088
1016285940
119213960
125554898
1334b2a68
14223d176
15166a6e5
hexf880f4

16285940 has 24 divisors (see below), whose sum is σ = 37310112. Its totient is φ = 5922080.

The previous prime is 16285937. The next prime is 16285967. The reversal of 16285940 is 4958261.

It is a self number, because there is not a number n which added to its sum of digits gives 16285940.

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 7 ways as a sum of consecutive naturals, for example, 36794 + ... + 37233.

It is an arithmetic number, because the mean of its divisors is an integer number (1554588).

Almost surely, 216285940 is an apocalyptic number.

16285940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16285940 is an abundant number, since it is smaller than the sum of its proper divisors (21024172).

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

16285940 is a wasteful number, since it uses less digits than its factorization.

16285940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74047 (or 74045 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 16285940 is about 4035.5842204073. The cubic root of 16285940 is about 253.4764465302.

The spelling of 16285940 in words is "sixteen million, two hundred eighty-five thousand, nine hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 74027 148054 296108 370135 740270 814297 1480540 1628594 3257188 4071485 8142970 16285940