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13054430 = 255324631
BaseRepresentation
bin110001110011…
…000111011110
3220120020022102
4301303013132
511320220210
61143445102
7215650364
oct61630736
926506272
1013054430
117406a94
124456792
132920c1c
141a3b634
15122cea5
hexc731de

13054430 has 16 divisors (see below), whose sum is σ = 23942304. Its totient is φ = 5123040.

The previous prime is 13054429. The next prime is 13054439. The reversal of 13054430 is 3445031.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13054439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11786 + ... + 12845.

It is an arithmetic number, because the mean of its divisors is an integer number (1496394).

Almost surely, 213054430 is an apocalyptic number.

13054430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13054430 is a deficient number, since it is larger than the sum of its proper divisors (10887874).

13054430 is a wasteful number, since it uses less digits than its factorization.

13054430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24691.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 13054430 is about 3613.0914740704. The cubic root of 13054430 is about 235.4611737537.

Adding to 13054430 its reverse (3445031), we get a palindrome (16499461).

The spelling of 13054430 in words is "thirteen million, fifty-four thousand, four hundred thirty".

Divisors: 1 2 5 10 53 106 265 530 24631 49262 123155 246310 1305443 2610886 6527215 13054430