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242056756 = 22173349793
BaseRepresentation
bin11100110110101…
…11111000110100
3121212110202110001
432123113320310
5443431304011
640004041044
75666306554
oct1633277064
9555422401
10242056756
111146a8907
1269093184
133b1c1066
142420d164
15163b57c1
hexe6d7e34

242056756 has 12 divisors (see below), whose sum is σ = 426049092. Its totient is φ = 120328448.

The previous prime is 242056753. The next prime is 242056757. The reversal of 242056756 is 657650242.

It can be written as a sum of positive squares in 2 ways, for example, as 111640356 + 130416400 = 10566^2 + 11420^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242056753) 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 3 ways as a sum of consecutive naturals, for example, 174205 + ... + 175588.

It is an arithmetic number, because the mean of its divisors is an integer number (35504091).

Almost surely, 2242056756 is an apocalyptic number.

It is an amenable number.

242056756 is a deficient number, since it is larger than the sum of its proper divisors (183992336).

242056756 is a wasteful number, since it uses less digits than its factorization.

242056756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349970 (or 349968 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 242056756 is about 15558.1732860899. The cubic root of 242056756 is about 623.2166816003.

The spelling of 242056756 in words is "two hundred forty-two million, fifty-six thousand, seven hundred fifty-six".

Divisors: 1 2 4 173 346 692 349793 699586 1399172 60514189 121028378 242056756