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16145164 = 227576613
BaseRepresentation
bin111101100101…
…101100001100
31010101021000001
4331211230030
513113121124
61334014044
7254142310
oct75455414
933337001
1016145164
119128112
1254a7324
133463969
142203b40
15163db44
hexf65b0c

16145164 has 12 divisors (see below), whose sum is σ = 32290384. Its totient is φ = 6919344.

The previous prime is 16145137. The next prime is 16145177. The reversal of 16145164 is 46154161.

16145164 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 576613 = 16145164 / (1 + 6 + 1 + 4 + 5 + 1 + 6 + 4).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288279 + ... + 288334.

Almost surely, 216145164 is an apocalyptic number.

16145164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16145164 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16145164 is a wasteful number, since it uses less digits than its factorization.

16145164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576624 (or 576622 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 16145164 is about 4018.1045282571. The cubic root of 16145164 is about 252.7439801029.

The spelling of 16145164 in words is "sixteen million, one hundred forty-five thousand, one hundred sixty-four".

Divisors: 1 2 4 7 14 28 576613 1153226 2306452 4036291 8072582 16145164