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120233240 = 2353005831
BaseRepresentation
bin1110010101010…
…01110100011000
322101020110222222
413022221310120
5221234430430
615533003212
72656652141
oct712516430
9271213888
10120233240
1161961016
1234323508
131bba913a
1411d7aac8
15a84e9e5
hex72a9d18

120233240 has 16 divisors (see below), whose sum is σ = 270524880. Its totient is φ = 48093280.

The previous prime is 120233227. The next prime is 120233249. The reversal of 120233240 is 42332021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120233249) 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 3 ways as a sum of consecutive naturals, for example, 1502876 + ... + 1502955.

It is an arithmetic number, because the mean of its divisors is an integer number (16907805).

Almost surely, 2120233240 is an apocalyptic number.

120233240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120233240 is an abundant number, since it is smaller than the sum of its proper divisors (150291640).

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

120233240 is a wasteful number, since it uses less digits than its factorization.

120233240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3005842 (or 3005838 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 120233240 is about 10965.0918828800. The cubic root of 120233240 is about 493.5617743261.

Adding to 120233240 its reverse (42332021), we get a palindrome (162565261).

The spelling of 120233240 in words is "one hundred twenty million, two hundred thirty-three thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 3005831 6011662 12023324 15029155 24046648 30058310 60116620 120233240