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120194930 = 2517707029
BaseRepresentation
bin1110010101000…
…00011101110010
322101011112110002
413022200131302
5221232214210
615532110002
72656432352
oct712403562
9271145402
10120194930
1161935259
1234305302
131bb9487b
1411d6ab62
15a8434a5
hex72a0772

120194930 has 16 divisors (see below), whose sum is σ = 229077720. Its totient is φ = 45249792.

The previous prime is 120194927. The next prime is 120194939. The reversal of 120194930 is 39491021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 113188321 + 7006609 = 10639^2 + 2647^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120194893 and 120194902.

It is not an unprimeable number, because it can be changed into a prime (120194939) by changing a digit.

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, 353345 + ... + 353684.

Almost surely, 2120194930 is an apocalyptic number.

120194930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120194930 is a deficient number, since it is larger than the sum of its proper divisors (108882790).

120194930 is a wasteful number, since it uses less digits than its factorization.

120194930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707053.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 120194930 is about 10963.3448363171. The cubic root of 120194930 is about 493.5093474481.

The spelling of 120194930 in words is "one hundred twenty million, one hundred ninety-four thousand, nine hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 707029 1414058 3535145 7070290 12019493 24038986 60097465 120194930