Search a number
-
+
52355830 = 2519214503
BaseRepresentation
bin1100011110111…
…0001011110110
310122111221200211
43013232023312
5101400341310
65110100034
71204005622
oct307561366
9118457624
1052355830
112760a78a
121564a61a
13ab017a7
146d4c182
1548e2c8a
hex31ee2f6

52355830 has 24 divisors (see below), whose sum is σ = 99468432. Its totient is φ = 19838736.

The previous prime is 52355813. The next prime is 52355857. The reversal of 52355830 is 3855325.

It is a super-2 number, since 2×523558302 = 5482265869977800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52355792 and 52355801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3642 + ... + 10861.

It is an arithmetic number, because the mean of its divisors is an integer number (4144518).

Almost surely, 252355830 is an apocalyptic number.

52355830 is a deficient number, since it is larger than the sum of its proper divisors (47112602).

52355830 is a wasteful number, since it uses less digits than its factorization.

52355830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14548 (or 14529 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 52355830 is about 7235.7328585293. The cubic root of 52355830 is about 374.1005525243.

The spelling of 52355830 in words is "fifty-two million, three hundred fifty-five thousand, eight hundred thirty".

Divisors: 1 2 5 10 19 38 95 190 361 722 1805 3610 14503 29006 72515 145030 275557 551114 1377785 2755570 5235583 10471166 26177915 52355830