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13250054 = 261671621
BaseRepresentation
bin110010100010…
…111000000110
3220221011122202
4302202320012
511343000204
61151554502
7220423616
oct62427006
926834582
1013250054
11752aa64
12452ba32
13298bc8c
141a8ca46
15126ae1e
hexca2e06

13250054 has 16 divisors (see below), whose sum is σ = 20515056. Its totient is φ = 6415200.

The previous prime is 13250009. The next prime is 13250101. The reversal of 13250054 is 45005231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7364 + ... + 8984.

It is an arithmetic number, because the mean of its divisors is an integer number (1282191).

Almost surely, 213250054 is an apocalyptic number.

13250054 is a deficient number, since it is larger than the sum of its proper divisors (7265002).

13250054 is a wasteful number, since it uses less digits than its factorization.

13250054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 13250054 is about 3640.0623621032. The cubic root of 13250054 is about 236.6314960189.

Adding to 13250054 its reverse (45005231), we get a palindrome (58255285).

The spelling of 13250054 in words is "thirteen million, two hundred fifty thousand, fifty-four".

Divisors: 1 2 61 67 122 134 1621 3242 4087 8174 98881 108607 197762 217214 6625027 13250054