Search a number
-
+
120841940 = 2257278311
BaseRepresentation
bin1110011001111…
…10011011010100
322102101101222102
413030332123110
5221413420230
615554021232
72665065602
oct714763324
9272341872
10120841940
116223737a
1234577818
131c06020b
1412098872
15a920045
hex733e6d4

120841940 has 24 divisors (see below), whose sum is σ = 254147712. Its totient is φ = 48264480.

The previous prime is 120841939. The next prime is 120841943. The reversal of 120841940 is 49148021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120841943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10385 + ... + 18695.

It is an arithmetic number, because the mean of its divisors is an integer number (10589488).

Almost surely, 2120841940 is an apocalyptic number.

120841940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120841940 is an abundant number, since it is smaller than the sum of its proper divisors (133305772).

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

120841940 is a wasteful number, since it uses less digits than its factorization.

120841940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9047 (or 9045 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 120841940 is about 10992.8131067530. The cubic root of 120841940 is about 494.3932844802.

Adding to 120841940 its reverse (49148021), we get a palindrome (169989961).

The spelling of 120841940 in words is "one hundred twenty million, eight hundred forty-one thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 727 1454 2908 3635 7270 8311 14540 16622 33244 41555 83110 166220 6042097 12084194 24168388 30210485 60420970 120841940