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53351000 = 2353311721
BaseRepresentation
bin1100101110000…
…1001001011000
310201101111210222
43023201021120
5102124213000
65143255212
71215322163
oct313411130
9121344728
1053351000
112812a43a
1215a4a508
13b08c751
14712aada
154a3ca85
hex32e1258

53351000 has 64 divisors (see below), whose sum is σ = 128943360. Its totient is φ = 20640000.

The previous prime is 53350987. The next prime is 53351009. The reversal of 53351000 is 15335.

It is a self number, because there is not a number n which added to its sum of digits gives 53351000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53351009) 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 15 ways as a sum of consecutive naturals, for example, 30140 + ... + 31860.

It is an arithmetic number, because the mean of its divisors is an integer number (2014740).

Almost surely, 253351000 is an apocalyptic number.

53351000 is a gapful number since it is divisible by the number (50) 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 53351000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64471680).

53351000 is an abundant number, since it is smaller than the sum of its proper divisors (75592360).

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

53351000 is a wasteful number, since it uses less digits than its factorization.

53351000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1773 (or 1759 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 17.

The square root of 53351000 is about 7304.1768872338. The cubic root of 53351000 is about 376.4559693887.

Adding to 53351000 its reverse (15335), we get a palindrome (53366335).

The spelling of 53351000 in words is "fifty-three million, three hundred fifty-one thousand".

Divisors: 1 2 4 5 8 10 20 25 31 40 50 62 100 124 125 155 200 248 250 310 500 620 775 1000 1240 1550 1721 3100 3442 3875 6200 6884 7750 8605 13768 15500 17210 31000 34420 43025 53351 68840 86050 106702 172100 213404 215125 266755 344200 426808 430250 533510 860500 1067020 1333775 1721000 2134040 2667550 5335100 6668875 10670200 13337750 26675500 53351000