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4257259838 = 213163740763
BaseRepresentation
bin1111110111000000…
…1010000100111110
3101222200210012121022
43331300022010332
532204324303323
61542235504142
7210333053156
oct37560120476
911880705538
104257259838
111895126367
129a98b8052
1352b006680
142c559d766
1519db404c8
hexfdc0a13e

4257259838 has 8 divisors (see below), whose sum is σ = 6877112088. Its totient is φ = 1964889144.

The previous prime is 4257259829. The next prime is 4257259841. The reversal of 4257259838 is 8389527524.

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

It is a super-2 number, since 2×42572598382 = 36248522656495572488, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4257259838.

It is a congruent number.

It is an unprimeable number.

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, 81870356 + ... + 81870407.

It is an arithmetic number, because the mean of its divisors is an integer number (859639011).

Almost surely, 24257259838 is an apocalyptic number.

4257259838 is a deficient number, since it is larger than the sum of its proper divisors (2619852250).

4257259838 is a wasteful number, since it uses less digits than its factorization.

4257259838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163740778.

The product of its digits is 4838400, while the sum is 53.

The square root of 4257259838 is about 65247.6807097386. The cubic root of 4257259838 is about 1620.7276919260.

The spelling of 4257259838 in words is "four billion, two hundred fifty-seven million, two hundred fifty-nine thousand, eight hundred thirty-eight".

Divisors: 1 2 13 26 163740763 327481526 2128629919 4257259838