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252025224 = 23311954641
BaseRepresentation
bin11110000010110…
…01100110001000
3122120020012121120
433001121212020
51004004301344
641001435240
76150115263
oct1701314610
9576205546
10252025224
1111a297310
127049bb20
13402a1469
1425685cda
15171d4219
hexf059988

252025224 has 32 divisors (see below), whose sum is σ = 687342240. Its totient is φ = 76371200.

The previous prime is 252025223. The next prime is 252025243. The reversal of 252025224 is 422520252.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 252025194 and 252025203.

It is not an unprimeable number, because it can be changed into a prime (252025223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477057 + ... + 477584.

It is an arithmetic number, because the mean of its divisors is an integer number (21479445).

Almost surely, 2252025224 is an apocalyptic number.

252025224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

252025224 is an abundant number, since it is smaller than the sum of its proper divisors (435317016).

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

252025224 is a wasteful number, since it uses less digits than its factorization.

252025224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954661 (or 954657 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 252025224 is about 15875.3023278299. The cubic root of 252025224 is about 631.6570336464.

Adding to 252025224 its reverse (422520252), we get a palindrome (674545476).

The spelling of 252025224 in words is "two hundred fifty-two million, twenty-five thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 954641 1909282 2863923 3818564 5727846 7637128 10501051 11455692 21002102 22911384 31503153 42004204 63006306 84008408 126012612 252025224