Search a number
-
+
120684450 = 23522334981
BaseRepresentation
bin1110011000101…
…11111110100010
322102002101221110
413030113332202
5221343400300
615550404150
72663541465
oct714277642
9272071843
10120684450
116213a017
1234500656
131c006623
14120572dc
15a8dd550
hex7317fa2

120684450 has 48 divisors (see below), whose sum is σ = 312319296. Its totient is φ = 30782400.

The previous prime is 120684439. The next prime is 120684467. The reversal of 120684450 is 54486021.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14041 + ... + 20940.

It is an arithmetic number, because the mean of its divisors is an integer number (6506652).

Almost surely, 2120684450 is an apocalyptic number.

120684450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120684450 is an abundant number, since it is smaller than the sum of its proper divisors (191634846).

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

120684450 is a wasteful number, since it uses less digits than its factorization.

120684450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35019 (or 35014 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 120684450 is about 10985.6474547475. The cubic root of 120684450 is about 494.1784146869.

The spelling of 120684450 in words is "one hundred twenty million, six hundred eighty-four thousand, four hundred fifty".

Divisors: 1 2 3 5 6 10 15 23 25 30 46 50 69 75 115 138 150 230 345 575 690 1150 1725 3450 34981 69962 104943 174905 209886 349810 524715 804563 874525 1049430 1609126 1749050 2413689 2623575 4022815 4827378 5247150 8045630 12068445 20114075 24136890 40228150 60342225 120684450