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242440308 = 223211612223
BaseRepresentation
bin11100111001101…
…01100001110100
3121220012020120200
432130311201310
5444031042213
640020200500
76002465025
oct1634654164
9556166520
10242440308
1111493aaa0
1269239130
133b2c6806
14242acc4c
151643e273
hexe735874

242440308 has 36 divisors (see below), whose sum is σ = 668548608. Its totient is φ = 73466640.

The previous prime is 242440301. The next prime is 242440343. The reversal of 242440308 is 803044242.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242440301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 305716 + ... + 306507.

Almost surely, 2242440308 is an apocalyptic number.

It is an amenable number.

242440308 is an abundant number, since it is smaller than the sum of its proper divisors (426108300).

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

242440308 is a wasteful number, since it uses less digits than its factorization.

242440308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612244 (or 612239 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 242440308 is about 15570.4947898260. The cubic root of 242440308 is about 623.5456813833.

The spelling of 242440308 in words is "two hundred forty-two million, four hundred forty thousand, three hundred eight".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 396 612223 1224446 1836669 2448892 3673338 5510007 6734453 7346676 11020014 13468906 20203359 22040028 26937812 40406718 60610077 80813436 121220154 242440308