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242970626 = 2121485313
BaseRepresentation
bin11100111101101…
…11000000000010
3121221012012001002
432132313000002
5444200030001
640035412002
76010134113
oct1636670002
9557165032
10242970626
11115172478
1269454002
133b451002
14243aa20a
15164e646b
hexe7b7002

242970626 has 4 divisors (see below), whose sum is σ = 364455942. Its totient is φ = 121485312.

The previous prime is 242970619. The next prime is 242970649. The reversal of 242970626 is 626079242.

It is a happy number.

242970626 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 182115025 + 60855601 = 13495^2 + 7801^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 242970626.

It is an unprimeable number.

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, 60742655 + ... + 60742658.

Almost surely, 2242970626 is an apocalyptic number.

242970626 is a deficient number, since it is larger than the sum of its proper divisors (121485316).

242970626 is a wasteful number, since it uses less digits than its factorization.

242970626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121485315.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 242970626 is about 15587.5150681563. The cubic root of 242970626 is about 624.0000017121. Note that the first 5 decimals are identical.

The spelling of 242970626 in words is "two hundred forty-two million, nine hundred seventy thousand, six hundred twenty-six".

Divisors: 1 2 121485313 242970626