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16145475 = 352215273
BaseRepresentation
bin111101100101…
…110001000011
31010101021102120
4331211301003
513113123400
61334015323
7254143233
oct75456103
933337376
1016145475
119128375
1254a7543
133463b48
142203cc3
15163dca0
hexf65c43

16145475 has 12 divisors (see below), whose sum is σ = 26693976. Its totient is φ = 8610880.

The previous prime is 16145453. The next prime is 16145477. The reversal of 16145475 is 57454161.

It is not a de Polignac number, because 16145475 - 26 = 16145411 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (16145477) 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 in 11 ways as a sum of consecutive naturals, for example, 107562 + ... + 107711.

It is an arithmetic number, because the mean of its divisors is an integer number (2224498).

Almost surely, 216145475 is an apocalyptic number.

16145475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16145475 is a deficient number, since it is larger than the sum of its proper divisors (10548501).

16145475 is a wasteful number, since it uses less digits than its factorization.

16145475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215286 (or 215281 counting only the distinct ones).

The product of its digits is 16800, while the sum is 33.

The square root of 16145475 is about 4018.1432279101. The cubic root of 16145475 is about 252.7456029392.

The spelling of 16145475 in words is "sixteen million, one hundred forty-five thousand, four hundred seventy-five".

Divisors: 1 3 5 15 25 75 215273 645819 1076365 3229095 5381825 16145475