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16145144 = 234149223
BaseRepresentation
bin111101100101…
…101011111000
31010101020222022
4331211223320
513113121034
61334014012
7254142251
oct75455370
933336868
1016145144
1191280a4
1254a7308
133463952
142203b28
15163db2e
hexf65af8

16145144 has 16 divisors (see below), whose sum is σ = 31011120. Its totient is φ = 7875520.

The previous prime is 16145137. The next prime is 16145177. The reversal of 16145144 is 44154161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24284 + ... + 24939.

It is an arithmetic number, because the mean of its divisors is an integer number (1938195).

Almost surely, 216145144 is an apocalyptic number.

It is an amenable number.

16145144 is a deficient number, since it is larger than the sum of its proper divisors (14865976).

16145144 is a wasteful number, since it uses less digits than its factorization.

16145144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49270 (or 49266 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 16145144 is about 4018.1020395206. The cubic root of 16145144 is about 252.7438757398.

The spelling of 16145144 in words is "sixteen million, one hundred forty-five thousand, one hundred forty-four".

Divisors: 1 2 4 8 41 82 164 328 49223 98446 196892 393784 2018143 4036286 8072572 16145144