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242401625 = 537924547
BaseRepresentation
bin11100111001011…
…00000101011001
3121220010021111222
432130230011121
5444023323000
640015301425
76002244164
oct1634540531
9556107458
10242401625
11114913a24
126921a875
133b2b201b
142429cadb
1516432a85
hexe72c159

242401625 has 16 divisors (see below), whose sum is σ = 306359040. Its totient is φ = 191458800.

The previous prime is 242401603. The next prime is 242401651. The reversal of 242401625 is 526104242.

242401625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2k-242401625 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242401594 and 242401603.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2399 + ... + 22148.

It is an arithmetic number, because the mean of its divisors is an integer number (19147440).

Almost surely, 2242401625 is an apocalyptic number.

242401625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

242401625 is a deficient number, since it is larger than the sum of its proper divisors (63957415).

242401625 is an equidigital number, since it uses as much as digits as its factorization.

242401625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24641 (or 24631 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 242401625 is about 15569.2525511021. The cubic root of 242401625 is about 623.5125159678.

Adding to 242401625 its reverse (526104242), we get a palindrome (768505867).

The spelling of 242401625 in words is "two hundred forty-two million, four hundred one thousand, six hundred twenty-five".

Divisors: 1 5 25 79 125 395 1975 9875 24547 122735 613675 1939213 3068375 9696065 48480325 242401625