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53030120 = 235111373127
BaseRepresentation
bin1100101001001…
…0110011101000
310200210012122112
43022102303220
5102033430440
65132341452
71212514523
oct312226350
9120705575
1053030120
1127a30350
1215914888
13aca9690
147085bba
1549c7965
hex3292ce8

53030120 has 128 divisors (see below), whose sum is σ = 143216640. Its totient is φ = 17418240.

The previous prime is 53030099. The next prime is 53030129. The reversal of 53030120 is 2103035.

It is a junction number, because it is equal to n+sod(n) for n = 53030095 and 53030104.

It is not an unprimeable number, because it can be changed into a prime (53030129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 417497 + ... + 417623.

It is an arithmetic number, because the mean of its divisors is an integer number (1118880).

Almost surely, 253030120 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 53030120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71608320).

53030120 is an abundant number, since it is smaller than the sum of its proper divisors (90186520).

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

53030120 is a wasteful number, since it uses less digits than its factorization.

53030120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 53030120 is about 7282.1782455526. The cubic root of 53030120 is about 375.6997187562.

Adding to 53030120 its reverse (2103035), we get a palindrome (55133155).

The spelling of 53030120 in words is "fifty-three million, thirty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 13 20 22 26 40 44 52 55 65 73 88 104 110 127 130 143 146 220 254 260 286 292 365 440 508 520 572 584 635 715 730 803 949 1016 1144 1270 1397 1430 1460 1606 1651 1898 2540 2794 2860 2920 3212 3302 3796 4015 4745 5080 5588 5720 6424 6604 6985 7592 8030 8255 9271 9490 10439 11176 13208 13970 16060 16510 18161 18542 18980 20878 27940 32120 33020 36322 37084 37960 41756 46355 52195 55880 66040 72644 74168 83512 90805 92710 101981 104390 120523 145288 181610 185420 203962 208780 241046 363220 370840 407924 417560 482092 509905 602615 726440 815848 964184 1019810 1205230 1325753 2039620 2410460 2651506 4079240 4820920 5303012 6628765 10606024 13257530 26515060 53030120