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613560340 = 22530678017
BaseRepresentation
bin100100100100100…
…011000000010100
31120202112002120001
4210210203000110
52224032412330
6140514421044
721130114441
oct4444430024
91522462501
10613560340
1129537aa68
12151591784
139a165b73
145b6b69c8
1538cea9ca
hex24923014

613560340 has 12 divisors (see below), whose sum is σ = 1288476756. Its totient is φ = 245424128.

The previous prime is 613560329. The next prime is 613560371. The reversal of 613560340 is 43065316.

It can be written as a sum of positive squares in 2 ways, for example, as 97180164 + 516380176 = 9858^2 + 22724^2 .

It is a junction number, because it is equal to n+sod(n) for n = 613560299 and 613560308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15338989 + ... + 15339028.

It is an arithmetic number, because the mean of its divisors is an integer number (107373063).

Almost surely, 2613560340 is an apocalyptic number.

It is an amenable number.

613560340 is an abundant number, since it is smaller than the sum of its proper divisors (674916416).

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

613560340 is a wasteful number, since it uses less digits than its factorization.

613560340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30678026 (or 30678024 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 613560340 is about 24770.1501812161. The cubic root of 613560340 is about 849.7394080055.

The spelling of 613560340 in words is "six hundred thirteen million, five hundred sixty thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 30678017 61356034 122712068 153390085 306780170 613560340