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52054530 = 23511233677
BaseRepresentation
bin1100011010010…
…0101000000010
310121221122101120
43012210220002
5101311221110
65055413110
71201312323
oct306445002
9117848346
1052054530
1127424380
1215524196
13aa275c8
146cb044a
154883870
hex31a4a02

52054530 has 64 divisors (see below), whose sum is σ = 137075328. Its totient is φ = 12546560.

The previous prime is 52054517. The next prime is 52054559. The reversal of 52054530 is 3545025.

It is a self number, because there is not a number n which added to its sum of digits gives 52054530.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76552 + ... + 77228.

It is an arithmetic number, because the mean of its divisors is an integer number (2141802).

Almost surely, 252054530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52054530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68537664).

52054530 is an abundant number, since it is smaller than the sum of its proper divisors (85020798).

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

52054530 is a wasteful number, since it uses less digits than its factorization.

52054530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 52054530 is about 7214.8825354263. The cubic root of 52054530 is about 373.3815405082.

Adding to 52054530 its reverse (3545025), we get a palindrome (55599555).

The spelling of 52054530 in words is "fifty-two million, fifty-four thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 233 330 466 677 699 1165 1354 1398 2031 2330 2563 3385 3495 4062 5126 6770 6990 7447 7689 10155 12815 14894 15378 20310 22341 25630 37235 38445 44682 74470 76890 111705 157741 223410 315482 473223 788705 946446 1577410 1735151 2366115 3470302 4732230 5205453 8675755 10410906 17351510 26027265 52054530