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613220216 = 23710950361
BaseRepresentation
bin100100100011001…
…111111101111000
31120201212210222212
4210203033331320
52223441021331
6140503234252
721124200020
oct4443177570
91521783885
10613220216
11295168474
12151448988
139a0770cb
145b628a80
1538c7ed2b
hex248cff78

613220216 has 16 divisors (see below), whose sum is σ = 1314043440. Its totient is φ = 262808640.

The previous prime is 613220213. The next prime is 613220249. The reversal of 613220216 is 612022316.

It is a super-2 number, since 2×6132202162 = 752078066622173312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 613220191 and 613220200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613220213) 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 3 ways as a sum of consecutive naturals, for example, 5475125 + ... + 5475236.

It is an arithmetic number, because the mean of its divisors is an integer number (82127715).

Almost surely, 2613220216 is an apocalyptic number.

It is an amenable number.

613220216 is an abundant number, since it is smaller than the sum of its proper divisors (700823224).

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

613220216 is a wasteful number, since it uses less digits than its factorization.

613220216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10950374 (or 10950370 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 613220216 is about 24763.2836271767. The cubic root of 613220216 is about 849.5823627680.

The spelling of 613220216 in words is "six hundred thirteen million, two hundred twenty thousand, two hundred sixteen".

Divisors: 1 2 4 7 8 14 28 56 10950361 21900722 43801444 76652527 87602888 153305054 306610108 613220216