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52272030 = 2351742401
BaseRepresentation
bin1100011101100…
…1101110011110
310122100200202010
43013121232132
5101340201110
65104212050
71203206406
oct307315636
9118320663
1052272030
1127562828
121560a026
13aaa25c5
146d29806
1548c8020
hex31d9b9e

52272030 has 16 divisors (see below), whose sum is σ = 125452944. Its totient is φ = 13939200.

The previous prime is 52272029. The next prime is 52272041. The reversal of 52272030 is 3027225.

It is a junction number, because it is equal to n+sod(n) for n = 52271988 and 52272006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 871171 + ... + 871230.

It is an arithmetic number, because the mean of its divisors is an integer number (7840809).

Almost surely, 252272030 is an apocalyptic number.

52272030 is an abundant number, since it is smaller than the sum of its proper divisors (73180914).

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

52272030 is a wasteful number, since it uses less digits than its factorization.

52272030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742411.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 52272030 is about 7229.9398337746. The cubic root of 52272030 is about 373.9008525920.

Adding to 52272030 its reverse (3027225), we get a palindrome (55299255).

It can be divided in two parts, 522720 and 30, that multiplied together give a square (15681600 = 39602).

The spelling of 52272030 in words is "fifty-two million, two hundred seventy-two thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 1742401 3484802 5227203 8712005 10454406 17424010 26136015 52272030