Search a number
-
+
120193938 = 23210876143
BaseRepresentation
bin1110010101000…
…00001110010010
322101011111002100
413022200032102
5221232201223
615532101230
72656426434
oct712401622
9271144070
10120193938
1161934537
1234304816
131bb94297
1411d6a654
15a843043
hex72a0392

120193938 has 24 divisors (see below), whose sum is σ = 260702208. Its totient is φ = 40021272.

The previous prime is 120193937. The next prime is 120193991. The reversal of 120193938 is 839391021.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120193933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16495 + ... + 22637.

It is an arithmetic number, because the mean of its divisors is an integer number (10862592).

Almost surely, 2120193938 is an apocalyptic number.

120193938 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

120193938 is an abundant number, since it is smaller than the sum of its proper divisors (140508270).

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

120193938 is a wasteful number, since it uses less digits than its factorization.

120193938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7238 (or 7235 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 120193938 is about 10963.2995945564. The cubic root of 120193938 is about 493.5079897574.

The spelling of 120193938 in words is "one hundred twenty million, one hundred ninety-three thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 9 18 1087 2174 3261 6143 6522 9783 12286 18429 19566 36858 55287 110574 6677441 13354882 20032323 40064646 60096969 120193938