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516238330 = 25193267481
BaseRepresentation
bin11110110001010…
…010101111111010
31022222101121212011
4132301102233322
52024124111310
6123120440134
715535645006
oct3661225772
91288347764
10516238330
11245448553
12124a7904a
1382c4c28a
144c7c1706
15304c478a
hex1ec52bfa

516238330 has 16 divisors (see below), whose sum is σ = 934047144. Its totient is φ = 205424640.

The previous prime is 516238321. The next prime is 516238343. The reversal of 516238330 is 33832615.

It can be written as a sum of positive squares in 4 ways, for example, as 478428129 + 37810201 = 21873^2 + 6149^2 .

It is a super-2 number, since 2×5162383302 = 533004026722377800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 516238292 and 516238301.

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, 131811 + ... + 135670.

Almost surely, 2516238330 is an apocalyptic number.

516238330 is a deficient number, since it is larger than the sum of its proper divisors (417808814).

516238330 is a wasteful number, since it uses less digits than its factorization.

516238330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267681.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 516238330 is about 22720.8787242043. The cubic root of 516238330 is about 802.2014002812.

The spelling of 516238330 in words is "five hundred sixteen million, two hundred thirty-eight thousand, three hundred thirty".

Divisors: 1 2 5 10 193 386 965 1930 267481 534962 1337405 2674810 51623833 103247666 258119165 516238330