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52203072 = 263972803
BaseRepresentation
bin1100011100100…
…0111001000000
310122020012011010
43013020321000
5101330444242
65102520520
71202501355
oct307107100
9118205133
1052203072
1127515a39
1215596140
13aa7a0bc
146d0c62c
1548b289c
hex31c8e40

52203072 has 56 divisors (see below), whose sum is σ = 139594336. Its totient is φ = 17215488.

The previous prime is 52203061. The next prime is 52203091. The reversal of 52203072 is 27030225.

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, 17223 + ... + 20025.

It is an arithmetic number, because the mean of its divisors is an integer number (2492756).

Almost surely, 252203072 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 52203072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69797168).

52203072 is an abundant number, since it is smaller than the sum of its proper divisors (87391264).

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

52203072 is a wasteful number, since it uses less digits than its factorization.

52203072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2915 (or 2905 counting only the distinct ones).

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

The square root of 52203072 is about 7225.1693405760. The cubic root of 52203072 is about 373.7363618100.

Adding to 52203072 its reverse (27030225), we get a palindrome (79233297).

The spelling of 52203072 in words is "fifty-two million, two hundred three thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 97 192 194 291 388 582 776 1164 1552 2328 2803 3104 4656 5606 6208 8409 9312 11212 16818 18624 22424 33636 44848 67272 89696 134544 179392 269088 271891 538176 543782 815673 1087564 1631346 2175128 3262692 4350256 6525384 8700512 13050768 17401024 26101536 52203072