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254113013 = 7113300169
BaseRepresentation
bin11110010010101…
…11010011110101
3122201011021112002
433021113103311
51010023104023
641114305045
76203632160
oct1711272365
9581137462
10254113013
11120492960
1271128185
134085283b
1425a6aad7
1517497b28
hexf2574f5

254113013 has 8 divisors (see below), whose sum is σ = 316816320. Its totient is φ = 198010080.

The previous prime is 254113009. The next prime is 254113021. The reversal of 254113013 is 310311452.

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

It is a cyclic number.

It is not a de Polignac number, because 254113013 - 22 = 254113009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254113033) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1650008 + ... + 1650161.

It is an arithmetic number, because the mean of its divisors is an integer number (39602040).

Almost surely, 2254113013 is an apocalyptic number.

It is an amenable number.

254113013 is a deficient number, since it is larger than the sum of its proper divisors (62703307).

254113013 is a wasteful number, since it uses less digits than its factorization.

254113013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3300187.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 254113013 is about 15940.9225893610. The cubic root of 254113013 is about 633.3964649594.

Adding to 254113013 its reverse (310311452), we get a palindrome (564424465).

It can be divided in two parts, 2541 and 13013, that multiplied together give a palindrome (33066033).

The spelling of 254113013 in words is "two hundred fifty-four million, one hundred thirteen thousand, thirteen".

Divisors: 1 7 11 77 3300169 23101183 36301859 254113013