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13052054 = 2311311607
BaseRepresentation
bin110001110010…
…100010010110
3220120010001102
4301302202112
511320131204
61143430102
7215640431
oct61624226
926503042
1013052054
117405224
124455332
13291cb12
141a3a818
15122c41e
hexc72896

13052054 has 16 divisors (see below), whose sum is σ = 20376576. Its totient is φ = 6263400.

The previous prime is 13052051. The next prime is 13052071. The reversal of 13052054 is 45025031.

It is a super-2 number, since 2×130520542 = 340712227237832, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13052051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7319 + ... + 8925.

It is an arithmetic number, because the mean of its divisors is an integer number (1273536).

Almost surely, 213052054 is an apocalyptic number.

13052054 is a deficient number, since it is larger than the sum of its proper divisors (7324522).

13052054 is a wasteful number, since it uses less digits than its factorization.

13052054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771.

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

The square root of 13052054 is about 3612.7626548114. The cubic root of 13052054 is about 235.4468876788.

Adding to 13052054 its reverse (45025031), we get a palindrome (58077085).

The spelling of 13052054 in words is "thirteen million, fifty-two thousand, fifty-four".

Divisors: 1 2 31 62 131 262 1607 3214 4061 8122 49817 99634 210517 421034 6526027 13052054