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120233330 = 2571990401
BaseRepresentation
bin1110010101010…
…01110101110010
322101020111010022
413022221311302
5221234431310
615533003442
72656652330
oct712516562
9271214108
10120233330
1161961098
1234323582
131bba91a9
1411d7ab50
15a84ea55
hex72a9d72

120233330 has 32 divisors (see below), whose sum is σ = 260357760. Its totient is φ = 39052800.

The previous prime is 120233293. The next prime is 120233341. The reversal of 120233330 is 33332021.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120233299 and 120233308.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43871 + ... + 46530.

It is an arithmetic number, because the mean of its divisors is an integer number (8136180).

Almost surely, 2120233330 is an apocalyptic number.

120233330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120233330 is an abundant number, since it is smaller than the sum of its proper divisors (140124430).

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

120233330 is a wasteful number, since it uses less digits than its factorization.

120233330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90434.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 120233330 is about 10965.0959868120. The cubic root of 120233330 is about 493.5618974771.

Adding to 120233330 its reverse (33332021), we get a palindrome (153565351).

The spelling of 120233330 in words is "one hundred twenty million, two hundred thirty-three thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 19 35 38 70 95 133 190 266 665 1330 90401 180802 452005 632807 904010 1265614 1717619 3164035 3435238 6328070 8588095 12023333 17176190 24046666 60116665 120233330