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13495620 = 223517101131
BaseRepresentation
bin110011011110…
…110101000100
3221101122111210
4303132311010
511423324440
61201131420
7222465555
oct63366504
927348453
1013495620
117688506
124629b70
132a46998
141b1432c
1512b8a80
hexcded44

13495620 has 96 divisors (see below), whose sum is σ = 40715136. Its totient is φ = 3328000.

The previous prime is 13495619. The next prime is 13495631. The reversal of 13495620 is 2659431.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 31 ways as a sum of consecutive naturals, for example, 102955 + ... + 103085.

It is an arithmetic number, because the mean of its divisors is an integer number (424116).

Almost surely, 213495620 is an apocalyptic number.

13495620 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 13495620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20357568).

13495620 is an abundant number, since it is smaller than the sum of its proper divisors (27219516).

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

13495620 is a wasteful number, since it uses less digits than its factorization.

13495620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 13495620 is about 3673.6385233172. The cubic root of 13495620 is about 238.0844038372.

The spelling of 13495620 in words is "thirteen million, four hundred ninety-five thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 51 60 68 85 101 102 131 170 202 204 255 262 303 340 393 404 505 510 524 606 655 786 1010 1020 1212 1310 1515 1572 1717 1965 2020 2227 2620 3030 3434 3930 4454 5151 6060 6681 6868 7860 8585 8908 10302 11135 13231 13362 17170 20604 22270 25755 26462 26724 33405 34340 39693 44540 51510 52924 66155 66810 79386 103020 132310 133620 158772 198465 224927 264620 396930 449854 674781 793860 899708 1124635 1349562 2249270 2699124 3373905 4498540 6747810 13495620