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13005298 = 26502649
BaseRepresentation
bin110001100111…
…000111110010
3220110201220201
4301213013302
511312132143
61142425414
7215354215
oct61470762
926421821
1013005298
117383089
12443226a
132904757
141a2777c
15121d64d
hexc671f2

13005298 has 4 divisors (see below), whose sum is σ = 19507950. Its totient is φ = 6502648.

The previous prime is 13005277. The next prime is 13005301. The reversal of 13005298 is 89250031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11675889 + 1329409 = 3417^2 + 1153^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3251323 + ... + 3251326.

Almost surely, 213005298 is an apocalyptic number.

13005298 is a deficient number, since it is larger than the sum of its proper divisors (6502652).

13005298 is an equidigital number, since it uses as much as digits as its factorization.

13005298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6502651.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 13005298 is about 3606.2859010345. The cubic root of 13005298 is about 235.1654064112.

The spelling of 13005298 in words is "thirteen million, five thousand, two hundred ninety-eight".

Divisors: 1 2 6502649 13005298