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242728070 = 25132118849
BaseRepresentation
bin11100111011110…
…11110010000110
3121220201212022112
432131323302012
5444114244240
640030301022
76005104004
oct1635736206
9556655275
10242728070
11115017212
1269357772
133b3977a0
1424345a74
1516499665
hexe77bc86

242728070 has 32 divisors (see below), whose sum is σ = 472802400. Its totient is φ = 89187840.

The previous prime is 242728051. The next prime is 242728093. The reversal of 242728070 is 70827242.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 23006 + ... + 31854.

It is an arithmetic number, because the mean of its divisors is an integer number (14775075).

Almost surely, 2242728070 is an apocalyptic number.

242728070 is a deficient number, since it is larger than the sum of its proper divisors (230074330).

242728070 is a wasteful number, since it uses less digits than its factorization.

242728070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9080.

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 242728070 is about 15579.7326677963. The cubic root of 242728070 is about 623.7922875254.

The spelling of 242728070 in words is "two hundred forty-two million, seven hundred twenty-eight thousand, seventy".

Divisors: 1 2 5 10 13 26 65 130 211 422 1055 2110 2743 5486 8849 13715 17698 27430 44245 88490 115037 230074 575185 1150370 1867139 3734278 9335695 18671390 24272807 48545614 121364035 242728070