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13459193 = 112412713
BaseRepresentation
bin110011010101…
…111011111001
3221022210112122
4303111323321
511421143233
61200251025
7222254426
oct63257371
927283478
1013459193
117663100
124610a75
132a33227
141b04d4d
1512acd98
hexcd5ef9

13459193 has 12 divisors (see below), whose sum is σ = 15160404. Its totient is φ = 11932800.

The previous prime is 13459181. The next prime is 13459207. The reversal of 13459193 is 39195431.

It can be written as a sum of positive squares in 2 ways, for example, as 7441984 + 6017209 = 2728^2 + 2453^2 .

It is not a de Polignac number, because 13459193 - 216 = 13393657 is a prime.

It is a super-2 number, since 2×134591932 = 362299752422498, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13459133) 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, 3605 + ... + 6317.

It is an arithmetic number, because the mean of its divisors is an integer number (1263367).

Almost surely, 213459193 is an apocalyptic number.

It is an amenable number.

13459193 is a deficient number, since it is larger than the sum of its proper divisors (1701211).

13459193 is a wasteful number, since it uses less digits than its factorization.

13459193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2776 (or 2765 counting only the distinct ones).

The product of its digits is 14580, while the sum is 35.

The square root of 13459193 is about 3668.6772820732. The cubic root of 13459193 is about 237.8700005632.

The spelling of 13459193 in words is "thirteen million, four hundred fifty-nine thousand, one hundred ninety-three".

Divisors: 1 11 41 121 451 2713 4961 29843 111233 328273 1223563 13459193