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254422042 = 2759308017
BaseRepresentation
bin11110010101000…
…10110000011010
3122201201222102121
433022202300122
51010113001132
641125051454
76206360140
oct1712426032
9581658377
10254422042
11120684056
1271256b8a
13409303b4
1425b0b590
1517509497
hexf2a2c1a

254422042 has 16 divisors (see below), whose sum is σ = 443545920. Its totient is φ = 107189568.

The previous prime is 254422037. The next prime is 254422061. The reversal of 254422042 is 240224452.

It is a junction number, because it is equal to n+sod(n) for n = 254421998 and 254422016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153183 + ... + 154834.

It is an arithmetic number, because the mean of its divisors is an integer number (27721620).

Almost surely, 2254422042 is an apocalyptic number.

254422042 is a deficient number, since it is larger than the sum of its proper divisors (189123878).

254422042 is a wasteful number, since it uses less digits than its factorization.

254422042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308085.

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 254422042 is about 15950.6125901170. The cubic root of 254422042 is about 633.6531205596.

Adding to 254422042 its reverse (240224452), we get a palindrome (494646494).

The spelling of 254422042 in words is "two hundred fifty-four million, four hundred twenty-two thousand, forty-two".

Divisors: 1 2 7 14 59 118 413 826 308017 616034 2156119 4312238 18173003 36346006 127211021 254422042