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613880712 = 233213961339
BaseRepresentation
bin100100100101110…
…001001110001000
31120210010101000200
4210211301032020
52224123140322
6140525332200
721132620454
oct4445611610
91523111020
10613880712
11295579735
12151707060
139a248933
145b75b664
1538d608ac
hex24971388

613880712 has 48 divisors (see below), whose sum is σ = 1674582000. Its totient is φ = 203151456.

The previous prime is 613880689. The next prime is 613880719. The reversal of 613880712 is 217088316.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (613880719) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20662 + ... + 40677.

It is an arithmetic number, because the mean of its divisors is an integer number (34887125).

Almost surely, 2613880712 is an apocalyptic number.

It is an amenable number.

613880712 is an abundant number, since it is smaller than the sum of its proper divisors (1060701288).

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

613880712 is a wasteful number, since it uses less digits than its factorization.

613880712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61490 (or 61483 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 613880712 is about 24776.6162338605. The cubic root of 613880712 is about 849.8872800931.

The spelling of 613880712 in words is "six hundred thirteen million, eight hundred eighty thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 139 278 417 556 834 1112 1251 1668 2502 3336 5004 10008 61339 122678 184017 245356 368034 490712 552051 736068 1104102 1472136 2208204 4416408 8526121 17052242 25578363 34104484 51156726 68208968 76735089 102313452 153470178 204626904 306940356 613880712