Search a number
-
+
242031120 = 24351953077
BaseRepresentation
bin11100110110100…
…01101000010000
3121212102110021120
432123101220100
5443424443440
640003322240
75666142042
oct1633215020
9555373246
10242031120
11114690621
1269080380
133b1b24a6
1424203a92
15163acdd0
hexe6d1a10

242031120 has 80 divisors (see below), whose sum is σ = 789800640. Its totient is φ = 61143552.

The previous prime is 242031089. The next prime is 242031131. The reversal of 242031120 is 21130242.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 242031120.

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, 21979 + ... + 31098.

It is an arithmetic number, because the mean of its divisors is an integer number (9872508).

Almost surely, 2242031120 is an apocalyptic number.

242031120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242031120 is an abundant number, since it is smaller than the sum of its proper divisors (547769520).

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

242031120 is a wasteful number, since it uses less digits than its factorization.

242031120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53112 (or 53106 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 242031120 is about 15557.3493886330. The cubic root of 242031120 is about 623.1946793956.

Adding to 242031120 its reverse (21130242), we get a palindrome (263161362).

The spelling of 242031120 in words is "two hundred forty-two million, thirty-one thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 19 20 24 30 38 40 48 57 60 76 80 95 114 120 152 190 228 240 285 304 380 456 570 760 912 1140 1520 2280 4560 53077 106154 159231 212308 265385 318462 424616 530770 636924 796155 849232 1008463 1061540 1273848 1592310 2016926 2123080 2547696 3025389 3184620 4033852 4246160 5042315 6050778 6369240 8067704 10084630 12101556 12738480 15126945 16135408 20169260 24203112 30253890 40338520 48406224 60507780 80677040 121015560 242031120