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120211340 = 22523261329
BaseRepresentation
bin1110010101001…
…00011110001100
322101012100221212
413022210132030
5221233230330
615532313552
72656531244
oct712443614
9271170855
10120211340
1161946617
12343128b8
131bb9c192
1411d72b24
15a848295
hex72a478c

120211340 has 24 divisors (see below), whose sum is σ = 263420640. Its totient is φ = 45993728.

The previous prime is 120211339. The next prime is 120211361. The reversal of 120211340 is 43112021.

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, 130205 + ... + 131124.

It is an arithmetic number, because the mean of its divisors is an integer number (10975860).

Almost surely, 2120211340 is an apocalyptic number.

120211340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120211340 is an abundant number, since it is smaller than the sum of its proper divisors (143209300).

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

120211340 is a wasteful number, since it uses less digits than its factorization.

120211340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261361 (or 261359 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 120211340 is about 10964.0932137592. The cubic root of 120211340 is about 493.5318057439.

Adding to 120211340 its reverse (43112021), we get a palindrome (163323361).

The spelling of 120211340 in words is "one hundred twenty million, two hundred eleven thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 261329 522658 1045316 1306645 2613290 5226580 6010567 12021134 24042268 30052835 60105670 120211340