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65053500 = 22353311399
BaseRepresentation
bin1111100000101…
…0001100111100
311112102001121220
43320022030330
5113123203000
610242153340
71416642231
oct370121474
9145361556
1065053500
11337a2726
1219952850
13106291c5
1488d5788
155aa01a0
hex3e0a33c

65053500 has 96 divisors (see below), whose sum is σ = 195686400. Its totient is φ = 16776000.

The previous prime is 65053481. The next prime is 65053507. The reversal of 65053500 is 535056.

65053500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65053507) by changing a digit.

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, 45801 + ... + 47199.

It is an arithmetic number, because the mean of its divisors is an integer number (2038400).

Almost surely, 265053500 is an apocalyptic number.

65053500 is a gapful number since it is divisible by the number (60) 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 65053500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97843200).

65053500 is an abundant number, since it is smaller than the sum of its proper divisors (130632900).

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

65053500 is a wasteful number, since it uses less digits than its factorization.

65053500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452 (or 1440 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 65053500 is about 8065.5749950019. The cubic root of 65053500 is about 402.1828578271.

Adding to 65053500 its reverse (535056), we get a palindrome (65588556).

The spelling of 65053500 in words is "sixty-five million, fifty-three thousand, five hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 31 50 60 62 75 93 100 124 125 150 155 186 250 300 310 372 375 465 500 620 750 775 930 1399 1500 1550 1860 2325 2798 3100 3875 4197 4650 5596 6995 7750 8394 9300 11625 13990 15500 16788 20985 23250 27980 34975 41970 43369 46500 69950 83940 86738 104925 130107 139900 173476 174875 209850 216845 260214 349750 419700 433690 520428 524625 650535 699500 867380 1049250 1084225 1301070 2098500 2168450 2602140 3252675 4336900 5421125 6505350 10842250 13010700 16263375 21684500 32526750 65053500