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52238412 = 22331014789
BaseRepresentation
bin1100011101000…
…1100001001100
310122021222122000
43013101201030
5101333112122
65103352300
71203006402
oct307214114
9118258560
1052238412
112753a546
12155b2690
13aa90205
146d1b472
1548bd0ac
hex31d184c

52238412 has 48 divisors (see below), whose sum is σ = 136802400. Its totient is φ = 17236800.

The previous prime is 52238401. The next prime is 52238447. The reversal of 52238412 is 21483225.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8514 + ... + 13302.

It is an arithmetic number, because the mean of its divisors is an integer number (2850050).

Almost surely, 252238412 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 52238412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68401200).

52238412 is an abundant number, since it is smaller than the sum of its proper divisors (84563988).

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

52238412 is a wasteful number, since it uses less digits than its factorization.

52238412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4903 (or 4895 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 52238412 is about 7227.6145442324. The cubic root of 52238412 is about 373.8206790937.

It can be divided in two parts, 52238 and 412, that added together give a triangular number (52650 = T324).

The spelling of 52238412 in words is "fifty-two million, two hundred thirty-eight thousand, four hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 101 108 202 303 404 606 909 1212 1818 2727 3636 4789 5454 9578 10908 14367 19156 28734 43101 57468 86202 129303 172404 258606 483689 517212 967378 1451067 1934756 2902134 4353201 5804268 8706402 13059603 17412804 26119206 52238412