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242625243 = 3737615119
BaseRepresentation
bin11100111011000…
…10101011011011
3121220112122021010
432131202223123
5444103001433
640024145003
76004165140
oct1635425333
9556478233
10242625243
11114a56a33
1269308163
133b35ca43
142431a3c7
1516478e63
hexe762adb

242625243 has 32 divisors (see below), whose sum is σ = 386007040. Its totient is φ = 132658560.

The previous prime is 242625217. The next prime is 242625259. The reversal of 242625243 is 342526242.

It is not a de Polignac number, because 242625243 - 25 = 242625211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242625243.

It is not an unprimeable number, because it can be changed into a prime (242625263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44838 + ... + 49956.

It is an arithmetic number, because the mean of its divisors is an integer number (12062720).

Almost surely, 2242625243 is an apocalyptic number.

242625243 is a deficient number, since it is larger than the sum of its proper divisors (143381797).

242625243 is a wasteful number, since it uses less digits than its factorization.

242625243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5227.

The product of its digits is 23040, while the sum is 30.

The square root of 242625243 is about 15576.4322936929. The cubic root of 242625243 is about 623.7041892827.

Subtracting 242625243 from its reverse (342526242), we obtain a palindrome (99900999).

The spelling of 242625243 in words is "two hundred forty-two million, six hundred twenty-five thousand, two hundred forty-three".

Divisors: 1 3 7 21 37 61 111 183 259 427 777 1281 2257 5119 6771 15357 15799 35833 47397 107499 189403 312259 568209 936777 1325821 2185813 3977463 6557439 11553583 34660749 80875081 242625243