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254042135 = 5172988731
BaseRepresentation
bin11110010010001…
…10000000010111
3122201000200021222
433021012000113
51010013322020
641113000555
76203215424
oct1711060027
9581020258
10254042135
11120444686
12710b315b
13408294b9
1425a4cd4b
1517481b25
hexf246017

254042135 has 8 divisors (see below), whose sum is σ = 322783056. Its totient is φ = 191278720.

The previous prime is 254042119. The next prime is 254042149. The reversal of 254042135 is 531240452.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 254042135 - 24 = 254042119 is a prime.

It is a super-3 number, since 3×2540421353 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1494281 + ... + 1494450.

It is an arithmetic number, because the mean of its divisors is an integer number (40347882).

Almost surely, 2254042135 is an apocalyptic number.

254042135 is a deficient number, since it is larger than the sum of its proper divisors (68740921).

254042135 is a wasteful number, since it uses less digits than its factorization.

254042135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2988753.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 254042135 is about 15938.6992882104. The cubic root of 254042135 is about 633.3375698393.

Adding to 254042135 its reverse (531240452), we get a palindrome (785282587).

The spelling of 254042135 in words is "two hundred fifty-four million, forty-two thousand, one hundred thirty-five".

Divisors: 1 5 17 85 2988731 14943655 50808427 254042135