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16385070 = 2351342013
BaseRepresentation
bin111110100000…
…010000101110
31010211110002110
4332200100232
513143310240
61343104450
7256161612
oct76402056
933743073
1016385070
119281389
1255a2126
133518c10
142267342
151689c80
hexfa042e

16385070 has 32 divisors (see below), whose sum is σ = 42350112. Its totient is φ = 4033152.

The previous prime is 16385053. The next prime is 16385071. The reversal of 16385070 is 7058361.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16385071) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 20617 + ... + 21396.

It is an arithmetic number, because the mean of its divisors is an integer number (1323441).

Almost surely, 216385070 is an apocalyptic number.

16385070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16385070 is an abundant number, since it is smaller than the sum of its proper divisors (25965042).

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

16385070 is a wasteful number, since it uses less digits than its factorization.

16385070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42036.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 16385070 is about 4047.8475761817. The cubic root of 16385070 is about 253.9896972282.

The spelling of 16385070 in words is "sixteen million, three hundred eighty-five thousand, seventy".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 42013 84026 126039 210065 252078 420130 546169 630195 1092338 1260390 1638507 2730845 3277014 5461690 8192535 16385070