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52472250 = 2325323321
BaseRepresentation
bin1100100000101…
…0100110111010
310122201212101200
43020022212322
5101413103000
65112355030
71205002215
oct310124672
9118655350
1052472250
112768a1a6
12156a5a76
13ab4278c
146d7c77c
154917500
hex320a9ba

52472250 has 48 divisors (see below), whose sum is σ = 141891048. Its totient is φ = 13992000.

The previous prime is 52472249. The next prime is 52472263. The reversal of 52472250 is 5227425.

It can be written as a sum of positive squares in 4 ways, for example, as 14538969 + 37933281 = 3813^2 + 6159^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9411 + ... + 13910.

Almost surely, 252472250 is an apocalyptic number.

52472250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52472250 is an abundant number, since it is smaller than the sum of its proper divisors (89418798).

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

52472250 is a wasteful number, since it uses less digits than its factorization.

52472250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23344 (or 23331 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 52472250 is about 7243.7731880561. The cubic root of 52472250 is about 374.3776343340.

Adding to 52472250 its reverse (5227425), we get a palindrome (57699675).

The spelling of 52472250 in words is "fifty-two million, four hundred seventy-two thousand, two hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 75 90 125 150 225 250 375 450 750 1125 2250 23321 46642 69963 116605 139926 209889 233210 349815 419778 583025 699630 1049445 1166050 1749075 2098890 2915125 3498150 5247225 5830250 8745375 10494450 17490750 26236125 52472250