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16145956 = 224036489
BaseRepresentation
bin111101100101…
…111000100100
31010101022002101
4331211320210
513113132311
61334021444
7254144521
oct75457044
933338071
1016145956
119128772
1254a7884
133464128
142204148
15163dec1
hexf65e24

16145956 has 6 divisors (see below), whose sum is σ = 28255430. Its totient is φ = 8072976.

The previous prime is 16145951. The next prime is 16145959. The reversal of 16145956 is 65954161.

It can be written as a sum of positive squares in only one way, i.e., 9302500 + 6843456 = 3050^2 + 2616^2 .

It is not an unprimeable number, because it can be changed into a prime (16145951) by changing a digit.

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 as a sum of consecutive naturals, namely, 2018241 + ... + 2018248.

Almost surely, 216145956 is an apocalyptic number.

It is an amenable number.

16145956 is a deficient number, since it is larger than the sum of its proper divisors (12109474).

16145956 is a wasteful number, since it uses less digits than its factorization.

16145956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4036493 (or 4036491 counting only the distinct ones).

The product of its digits is 32400, while the sum is 37.

The square root of 16145956 is about 4018.2030809804. The cubic root of 16145956 is about 252.7481128153.

The spelling of 16145956 in words is "sixteen million, one hundred forty-five thousand, nine hundred fifty-six".

Divisors: 1 2 4 4036489 8072978 16145956