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254008423 = 307827389
BaseRepresentation
bin11110010001111…
…01110001100111
3122200221222001101
433020331301213
51010011232143
641112140531
76203015224
oct1710756147
9580858041
10254008423
11120421319
1271097747
1340817056
1425a4094b
1517476b4d
hexf23dc67

254008423 has 4 divisors (see below), whose sum is σ = 254836120. Its totient is φ = 253180728.

The previous prime is 254008421. The next prime is 254008427. The reversal of 254008423 is 324800452.

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

It is a cyclic number.

It is not a de Polignac number, because 254008423 - 21 = 254008421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 254008391 and 254008400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254008421) 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 3 ways as a sum of consecutive naturals, for example, 413388 + ... + 414001.

It is an arithmetic number, because the mean of its divisors is an integer number (63709030).

Almost surely, 2254008423 is an apocalyptic number.

254008423 is a deficient number, since it is larger than the sum of its proper divisors (827697).

254008423 is an equidigital number, since it uses as much as digits as its factorization.

254008423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827696.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 254008423 is about 15937.6417013308. The cubic root of 254008423 is about 633.3095534623.

Adding to 254008423 its reverse (324800452), we get a palindrome (578808875).

The spelling of 254008423 in words is "two hundred fifty-four million, eight thousand, four hundred twenty-three".

Divisors: 1 307 827389 254008423