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52370120 = 23511412903
BaseRepresentation
bin1100011111000…
…1101011001000
310122112200022002
43013301223020
5101401320440
65110250132
71204065365
oct307615310
9118480262
1052370120
112761a4a0
1215656948
13ab0814a
146d5346c
1548e7115
hex31f1ac8

52370120 has 64 divisors (see below), whose sum is σ = 131725440. Its totient is φ = 18572800.

The previous prime is 52370119. The next prime is 52370159. The reversal of 52370120 is 2107325.

52370120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 52370092 and 52370101.

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, 16589 + ... + 19491.

It is an arithmetic number, because the mean of its divisors is an integer number (2058210).

Almost surely, 252370120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52370120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65862720).

52370120 is an abundant number, since it is smaller than the sum of its proper divisors (79355320).

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

52370120 is a wasteful number, since it uses less digits than its factorization.

52370120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2966 (or 2962 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 52370120 is about 7236.7202516057. The cubic root of 52370120 is about 374.1345850959.

Adding to 52370120 its reverse (2107325), we get a palindrome (54477445).

The spelling of 52370120 in words is "fifty-two million, three hundred seventy thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 41 44 55 82 88 110 164 205 220 328 410 440 451 820 902 1640 1804 2255 2903 3608 4510 5806 9020 11612 14515 18040 23224 29030 31933 58060 63866 116120 119023 127732 159665 238046 255464 319330 476092 595115 638660 952184 1190230 1277320 1309253 2380460 2618506 4760920 5237012 6546265 10474024 13092530 26185060 52370120