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13050620 = 22511137433
BaseRepresentation
bin110001110010…
…001011111100
3220120001002022
4301302023330
511320104440
61143415312
7215633312
oct61621374
926501068
1013050620
117404140
124454538
13291c27b
141a3a0b2
15122bcb5
hexc722fc

13050620 has 48 divisors (see below), whose sum is σ = 30185568. Its totient is φ = 4700160.

The previous prime is 13050617. The next prime is 13050641. The reversal of 13050620 is 2605031.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 29924 + ... + 30356.

It is an arithmetic number, because the mean of its divisors is an integer number (628866).

Almost surely, 213050620 is an apocalyptic number.

13050620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13050620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15092784).

13050620 is an abundant number, since it is smaller than the sum of its proper divisors (17134948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13050620 is a wasteful number, since it uses less digits than its factorization.

13050620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 13050620 is about 3612.5641862810. The cubic root of 13050620 is about 235.4382646886.

Adding to 13050620 its reverse (2605031), we get a palindrome (15655651).

The spelling of 13050620 in words is "thirteen million, fifty thousand, six hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 137 220 274 433 548 685 866 1370 1507 1732 2165 2740 3014 4330 4763 6028 7535 8660 9526 15070 19052 23815 30140 47630 59321 95260 118642 237284 296605 593210 652531 1186420 1305062 2610124 3262655 6525310 13050620