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257076134 = 2797118911
BaseRepresentation
bin11110101001010…
…10101110100110
3122220201211011022
433110222232212
51011302414014
641302011142
76241053050
oct1724525646
9586654138
10257076134
11122127117
1272116ab2
134134c473
14261dc8d0
1517880a8e
hexf52aba6

257076134 has 16 divisors (see below), whose sum is σ = 441179136. Its totient is φ = 110056200.

The previous prime is 257076121. The next prime is 257076151. The reversal of 257076134 is 431670752.

It is a junction number, because it is equal to n+sod(n) for n = 257076094 and 257076103.

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, 4139 + ... + 23049.

It is an arithmetic number, because the mean of its divisors is an integer number (27573696).

Almost surely, 2257076134 is an apocalyptic number.

257076134 is a deficient number, since it is larger than the sum of its proper divisors (184103002).

257076134 is a wasteful number, since it uses less digits than its factorization.

257076134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19891.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 257076134 is about 16033.5939202663. The cubic root of 257076134 is about 635.8488937986.

The spelling of 257076134 in words is "two hundred fifty-seven million, seventy-six thousand, one hundred thirty-four".

Divisors: 1 2 7 14 971 1942 6797 13594 18911 37822 132377 264754 18362581 36725162 128538067 257076134