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120117272 = 23111364969
BaseRepresentation
bin1110010100011…
…01100000011000
322101000120220212
413022031200120
5221222223042
615530310252
72655660062
oct712154030
9271016825
10120117272
1161891980
1234288388
131bb68412
1411d4a732
15a82a482
hex728d818

120117272 has 16 divisors (see below), whose sum is σ = 245694600. Its totient is φ = 54598720.

The previous prime is 120117269. The next prime is 120117299. The reversal of 120117272 is 272711021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 682397 + ... + 682572.

Almost surely, 2120117272 is an apocalyptic number.

It is an amenable number.

120117272 is an abundant number, since it is smaller than the sum of its proper divisors (125577328).

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

120117272 is a wasteful number, since it uses less digits than its factorization.

120117272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364986 (or 1364982 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 23.

The square root of 120117272 is about 10959.8025529660. The cubic root of 120117272 is about 493.4030390101.

Adding to 120117272 its reverse (272711021), we get a palindrome (392828293).

The spelling of 120117272 in words is "one hundred twenty million, one hundred seventeen thousand, two hundred seventy-two".

Divisors: 1 2 4 8 11 22 44 88 1364969 2729938 5459876 10919752 15014659 30029318 60058636 120117272