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120728528 = 2497107727
BaseRepresentation
bin1110011001000…
…10101111010000
322102011122101222
413030202233100
5221401303103
615551344212
72664114134
oct714425720
9272148358
10120728528
116216a148
1234522068
131c0206cb
14120693c4
15a8eb638
hex7322bd0

120728528 has 40 divisors (see below), whose sum is σ = 238859712. Its totient is φ = 59102208.

The previous prime is 120728513. The next prime is 120728533. The reversal of 120728528 is 825827021.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 165701 + ... + 166427.

Almost surely, 2120728528 is an apocalyptic number.

It is an amenable number.

120728528 is a deficient number, since it is larger than the sum of its proper divisors (118131184).

120728528 is a wasteful number, since it uses less digits than its factorization.

120728528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939 (or 933 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 120728528 is about 10987.6534346511. The cubic root of 120728528 is about 494.2385708623.

The spelling of 120728528 in words is "one hundred twenty million, seven hundred twenty-eight thousand, five hundred twenty-eight".

Divisors: 1 2 4 8 16 97 107 194 214 388 428 727 776 856 1454 1552 1712 2908 5816 10379 11632 20758 41516 70519 77789 83032 141038 155578 166064 282076 311156 564152 622312 1128304 1244624 7545533 15091066 30182132 60364264 120728528