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16801245 = 325373361
BaseRepresentation
bin100000000010…
…1110111011101
31011121120222100
41000011313131
513300114440
61400035313
7262544136
oct100056735
934546870
1016801245
11953602a
125762b39
133633486
142334c8d
15171d230
hex1005ddd

16801245 has 12 divisors (see below), whose sum is σ = 29122236. Its totient is φ = 8960640.

The previous prime is 16801243. The next prime is 16801277. The reversal of 16801245 is 54210861.

It can be written as a sum of positive squares in 2 ways, for example, as 3992004 + 12809241 = 1998^2 + 3579^2 .

It is not a de Polignac number, because 16801245 - 21 = 16801243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16801243) 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, 186636 + ... + 186725.

It is an arithmetic number, because the mean of its divisors is an integer number (2426853).

Almost surely, 216801245 is an apocalyptic number.

16801245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16801245 is a deficient number, since it is larger than the sum of its proper divisors (12320991).

16801245 is a wasteful number, since it uses less digits than its factorization.

16801245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373372 (or 373369 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 16801245 is about 4098.9321780191. The cubic root of 16801245 is about 256.1221595121.

The spelling of 16801245 in words is "sixteen million, eight hundred one thousand, two hundred forty-five".

Divisors: 1 3 5 9 15 45 373361 1120083 1866805 3360249 5600415 16801245