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516351340 = 22529578731
BaseRepresentation
bin11110110001101…
…110010101101100
31022222121100212201
4132301232111230
52024141220330
6123123111244
715536625331
oct3661562554
91288540781
10516351340
1124551544a
12124b12524
1382c8b84b
144c810988
15304e7eca
hex1ec6e56c

516351340 has 24 divisors (see below), whose sum is σ = 1084828752. Its totient is φ = 206447040.

The previous prime is 516351337. The next prime is 516351343. The reversal of 516351340 is 43153615.

It is an interprime number because it is at equal distance from previous prime (516351337) and next prime (516351343).

It is a junction number, because it is equal to n+sod(n) for n = 516351299 and 516351308.

It is not an unprimeable number, because it can be changed into a prime (516351343) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 54775 + ... + 63505.

It is an arithmetic number, because the mean of its divisors is an integer number (45201198).

Almost surely, 2516351340 is an apocalyptic number.

It is an amenable number.

516351340 is an abundant number, since it is smaller than the sum of its proper divisors (568477412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

516351340 is a wasteful number, since it uses less digits than its factorization.

516351340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11697 (or 11695 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 516351340 is about 22723.3655077764. The cubic root of 516351340 is about 802.2599327849.

It can be divided in two parts, 51635 and 1340, that added together give a triangular number (52975 = T325).

The spelling of 516351340 in words is "five hundred sixteen million, three hundred fifty-one thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 2957 5914 8731 11828 14785 17462 29570 34924 43655 59140 87310 174620 25817567 51635134 103270268 129087835 258175670 516351340