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16148745 = 325358861
BaseRepresentation
bin111101100110…
…100100001001
31010101102220200
4331212210021
513113224440
61334042413
7254155614
oct75464411
933342820
1016148745
11912a878
1254a9409
133465492
14220517b
15163ec30
hexf66909

16148745 has 12 divisors (see below), whose sum is σ = 27991236. Its totient is φ = 8612640.

The previous prime is 16148731. The next prime is 16148747. The reversal of 16148745 is 54784161.

It is a happy number.

16148745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4717584 + 11431161 = 2172^2 + 3381^2 .

It is not a de Polignac number, because 16148745 - 27 = 16148617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16148747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 179386 + ... + 179475.

It is an arithmetic number, because the mean of its divisors is an integer number (2332603).

Almost surely, 216148745 is an apocalyptic number.

16148745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16148745 is a deficient number, since it is larger than the sum of its proper divisors (11842491).

16148745 is a wasteful number, since it uses less digits than its factorization.

16148745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358872 (or 358869 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 16148745 is about 4018.5501116696. The cubic root of 16148745 is about 252.7626649402.

The spelling of 16148745 in words is "sixteen million, one hundred forty-eight thousand, seven hundred forty-five".

Divisors: 1 3 5 9 15 45 358861 1076583 1794305 3229749 5382915 16148745