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120071630 = 2571715309
BaseRepresentation
bin1110010100000…
…10010111001110
322100221021022102
413022002113032
5221214243010
615525315102
72655410030
oct712022716
9270837272
10120071630
1161860658
1234265a92
131bb50703
1411d37c50
15a81bba5
hex72825ce

120071630 has 16 divisors (see below), whose sum is σ = 247004640. Its totient is φ = 41167392.

The previous prime is 120071617. The next prime is 120071683. The reversal of 120071630 is 36170021.

It is a happy number.

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, 857585 + ... + 857724.

It is an arithmetic number, because the mean of its divisors is an integer number (15437790).

Almost surely, 2120071630 is an apocalyptic number.

120071630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120071630 is an abundant number, since it is smaller than the sum of its proper divisors (126933010).

120071630 is a wasteful number, since it uses less digits than its factorization.

120071630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715323.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 120071630 is about 10957.7201095848. The cubic root of 120071630 is about 493.3405368845.

The spelling of 120071630 in words is "one hundred twenty million, seventy-one thousand, six hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 1715309 3430618 8576545 12007163 17153090 24014326 60035815 120071630