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254404342 = 25913715737
BaseRepresentation
bin11110010100111…
…10011011110110
3122201201002011001
433022132123312
51010111414332
641124433514
76206254423
oct1712363366
9581632131
10254404342
11120671825
127124889a
134092531a
1425b04d4a
15175040e7
hexf29e6f6

254404342 has 16 divisors (see below), whose sum is σ = 390931920. Its totient is φ = 124125568.

The previous prime is 254404309. The next prime is 254404351. The reversal of 254404342 is 243404452.

It is a self number, because there is not a number n which added to its sum of digits gives 254404342.

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, 8298 + ... + 24034.

It is an arithmetic number, because the mean of its divisors is an integer number (24433245).

Almost surely, 2254404342 is an apocalyptic number.

254404342 is a deficient number, since it is larger than the sum of its proper divisors (136527578).

254404342 is a wasteful number, since it uses less digits than its factorization.

254404342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15935.

The product of its (nonzero) digits is 15360, while the sum is 28.

The square root of 254404342 is about 15950.0577428422. The cubic root of 254404342 is about 633.6384259204.

Adding to 254404342 its reverse (243404452), we get a palindrome (497808794).

The spelling of 254404342 in words is "two hundred fifty-four million, four hundred four thousand, three hundred forty-two".

Divisors: 1 2 59 118 137 274 8083 15737 16166 31474 928483 1856966 2155969 4311938 127202171 254404342