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52203032 = 23721943163
BaseRepresentation
bin1100011100100…
…0111000011000
310122020012002122
43013020320120
5101330444112
65102520412
71202501300
oct307107030
9118205078
1052203032
1127515a02
1215596108
13aa7a08b
146d0c600
1548b2872
hex31c8e18

52203032 has 96 divisors (see below), whose sum is σ = 123393600. Its totient is φ = 20575296.

The previous prime is 52202999. The next prime is 52203037. The reversal of 52203032 is 23030225.

It is a self number, because there is not a number n which added to its sum of digits gives 52203032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52203037) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 320183 + ... + 320345.

It is an arithmetic number, because the mean of its divisors is an integer number (1285350).

Almost surely, 252203032 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 52203032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61696800).

52203032 is an abundant number, since it is smaller than the sum of its proper divisors (71190568).

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

52203032 is a wasteful number, since it uses less digits than its factorization.

52203032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 52203032 is about 7225.1665724743. The cubic root of 52203032 is about 373.7362663529.

Adding to 52203032 its reverse (23030225), we get a palindrome (75233257).

The spelling of 52203032 in words is "fifty-two million, two hundred three thousand, thirty-two".

Divisors: 1 2 4 7 8 14 19 28 38 43 49 56 76 86 98 133 152 163 172 196 266 301 326 344 392 532 602 652 817 931 1064 1141 1204 1304 1634 1862 2107 2282 2408 3097 3268 3724 4214 4564 5719 6194 6536 7009 7448 7987 8428 9128 11438 12388 14018 15974 16856 21679 22876 24776 28036 31948 40033 43358 45752 49063 56072 63896 80066 86716 98126 133171 151753 160132 173432 196252 266342 303506 320264 343441 392504 532684 607012 686882 932197 1065368 1214024 1373764 1864394 2747528 3728788 6525379 7457576 13050758 26101516 52203032