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254373242 = 2127186621
BaseRepresentation
bin11110010100101…
…10110101111010
3122201122111111012
433022112311322
51010104420432
641124033522
76206064644
oct1712266572
9581574435
10254373242
11120650422
12712328a2
1340914116
1425ad7894
15174e9cb2
hexf296d7a

254373242 has 4 divisors (see below), whose sum is σ = 381559866. Its totient is φ = 127186620.

The previous prime is 254373221. The next prime is 254373257. The reversal of 254373242 is 242373452.

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., 204232681 + 50140561 = 14291^2 + 7081^2 .

It is a junction number, because it is equal to n+sod(n) for n = 254373199 and 254373208.

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 as a sum of consecutive naturals, namely, 63593309 + ... + 63593312.

Almost surely, 2254373242 is an apocalyptic number.

254373242 is a deficient number, since it is larger than the sum of its proper divisors (127186624).

254373242 is a wasteful number, since it uses less digits than its factorization.

254373242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127186623.

The product of its digits is 40320, while the sum is 32.

The square root of 254373242 is about 15949.0827949447. The cubic root of 254373242 is about 633.6126048751.

The spelling of 254373242 in words is "two hundred fifty-four million, three hundred seventy-three thousand, two hundred forty-two".

Divisors: 1 2 127186621 254373242