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120340225 = 5210744987
BaseRepresentation
bin1110010110000…
…11111100000001
322101102220202101
413023003330001
5221301341400
615535150401
72660606065
oct713037401
9271386671
10120340225
1161a24435
1234375401
131bc15a45
1411da7aa5
15a87156a
hex72c3f01

120340225 has 12 divisors (see below), whose sum is σ = 150619824. Its totient is φ = 95370320.

The previous prime is 120340219. The next prime is 120340277. The reversal of 120340225 is 522043021.

It is not a de Polignac number, because 120340225 - 213 = 120332033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19819 + ... + 25168.

It is an arithmetic number, because the mean of its divisors is an integer number (12551652).

Almost surely, 2120340225 is an apocalyptic number.

It is an amenable number.

120340225 is a deficient number, since it is larger than the sum of its proper divisors (30279599).

120340225 is a wasteful number, since it uses less digits than its factorization.

120340225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45104 (or 45099 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 120340225 is about 10969.9692342322. The cubic root of 120340225 is about 493.7081233511.

Adding to 120340225 its reverse (522043021), we get a palindrome (642383246).

The spelling of 120340225 in words is "one hundred twenty million, three hundred forty thousand, two hundred twenty-five".

Divisors: 1 5 25 107 535 2675 44987 224935 1124675 4813609 24068045 120340225