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13249475 = 52529979
BaseRepresentation
bin110010100010…
…101111000011
3220221010212022
4302202233003
511342440400
61151552055
7220422131
oct62425703
926833768
1013249475
11752a588
12452b62b
13298b935
141a8c751
15126ab85
hexca2bc3

13249475 has 6 divisors (see below), whose sum is σ = 16429380. Its totient is φ = 10599560.

The previous prime is 13249463. The next prime is 13249487. The reversal of 13249475 is 57494231.

13249475 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13249463) and next prime (13249487).

It is not a de Polignac number, because 13249475 - 216 = 13183939 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 264965 + ... + 265014.

It is an arithmetic number, because the mean of its divisors is an integer number (2738230).

Almost surely, 213249475 is an apocalyptic number.

13249475 is a deficient number, since it is larger than the sum of its proper divisors (3179905).

13249475 is an equidigital number, since it uses as much as digits as its factorization.

13249475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529989 (or 529984 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 13249475 is about 3639.9828296298. The cubic root of 13249475 is about 236.6280491995.

The spelling of 13249475 in words is "thirteen million, two hundred forty-nine thousand, four hundred seventy-five".

Divisors: 1 5 25 529979 2649895 13249475