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242704544 = 257584517
BaseRepresentation
bin11100111011101…
…10000010100000
3121220200200001012
432131312002200
5444113021134
640030000052
76004645265
oct1635660240
9556620035
10242704544
11115000575
1269346028
133b389b74
142433b26c
15164926ce
hexe7760a0

242704544 has 12 divisors (see below), whose sum is σ = 477824634. Its totient is φ = 121352256.

The previous prime is 242704531. The next prime is 242704547. The reversal of 242704544 is 445407242.

It can be written as a sum of positive squares in only one way, i.e., 121440400 + 121264144 = 11020^2 + 11012^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 7584517 = 242704544 / (2 + 4 + 2 + 7 + 0 + 4 + 5 + 4 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 242704544.

It is not an unprimeable number, because it can be changed into a prime (242704547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3792227 + ... + 3792290.

Almost surely, 2242704544 is an apocalyptic number.

It is an amenable number.

242704544 is a deficient number, since it is larger than the sum of its proper divisors (235120090).

242704544 is an equidigital number, since it uses as much as digits as its factorization.

242704544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7584527 (or 7584519 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 32.

The square root of 242704544 is about 15578.9776301271. The cubic root of 242704544 is about 623.7721335434.

The spelling of 242704544 in words is "two hundred forty-two million, seven hundred four thousand, five hundred forty-four".

Divisors: 1 2 4 8 16 32 7584517 15169034 30338068 60676136 121352272 242704544