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120320146 = 2140942697
BaseRepresentation
bin1110010101111…
…11000010010010
322101101220012201
413022333002102
5221300221041
615534513414
72660463412
oct712770222
9271356181
10120320146
1161a10341
123436586a
131bc0986b
1411da0642
15a86a631
hex72bf092

120320146 has 8 divisors (see below), whose sum is σ = 180612540. Its totient is φ = 60115968.

The previous prime is 120320111. The next prime is 120320173. The reversal of 120320146 is 641023021.

It can be written as a sum of positive squares in 2 ways, for example, as 88566921 + 31753225 = 9411^2 + 5635^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1203201462 = 28953875066922632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18531 + ... + 24166.

Almost surely, 2120320146 is an apocalyptic number.

120320146 is a deficient number, since it is larger than the sum of its proper divisors (60292394).

120320146 is a wasteful number, since it uses less digits than its factorization.

120320146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44108.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 120320146 is about 10969.0540157299. The cubic root of 120320146 is about 493.6806631044.

Adding to 120320146 its reverse (641023021), we get a palindrome (761343167).

The spelling of 120320146 in words is "one hundred twenty million, three hundred twenty thousand, one hundred forty-six".

Divisors: 1 2 1409 2818 42697 85394 60160073 120320146