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13946745 = 353189337
BaseRepresentation
bin110101001100…
…111101111001
3222020120100010
4311030331321
512032243440
61214532133
7226355031
oct65147571
928216303
1013946745
11796643a
124807049
132b74117
141bd08c1
151357580
hexd4cf79

13946745 has 32 divisors (see below), whose sum is σ = 23362560. Its totient is φ = 7096320.

The previous prime is 13946711. The next prime is 13946747. The reversal of 13946745 is 54764931.

It is not a de Polignac number, because 13946745 - 27 = 13946617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13946747) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41217 + ... + 41553.

It is an arithmetic number, because the mean of its divisors is an integer number (730080).

Almost surely, 213946745 is an apocalyptic number.

13946745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13946745 is a deficient number, since it is larger than the sum of its proper divisors (9415815).

13946745 is a wasteful number, since it uses less digits than its factorization.

13946745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465.

The product of its digits is 90720, while the sum is 39.

The square root of 13946745 is about 3734.5341074892. The cubic root of 13946745 is about 240.7082378020.

The spelling of 13946745 in words is "thirteen million, nine hundred forty-six thousand, seven hundred forty-five".

Divisors: 1 3 5 15 31 89 93 155 267 337 445 465 1011 1335 1685 2759 5055 8277 10447 13795 29993 31341 41385 52235 89979 149965 156705 449895 929783 2789349 4648915 13946745