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864064545 = 35413973539
BaseRepresentation
bin110011100000001…
…001010000100001
32020012220000201120
4303200021100201
53232200031140
6221423522453
730261266421
oct6340112041
92205800646
10864064545
11403818533
12201459429
1310a023bc6
1482a84481
1550cce1d0
hex33809421

864064545 has 32 divisors (see below), whose sum is σ = 1420191360. Its totient is φ = 448335360.

The previous prime is 864064543. The next prime is 864064547. The reversal of 864064545 is 545460468.

It is an interprime number because it is at equal distance from previous prime (864064543) and next prime (864064547).

It is not a de Polignac number, because 864064545 - 21 = 864064543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 864064497 and 864064506.

It is not an unprimeable number, because it can be changed into a prime (864064543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 242386 + ... + 245924.

It is an arithmetic number, because the mean of its divisors is an integer number (44380980).

Almost surely, 2864064545 is an apocalyptic number.

It is an amenable number.

864064545 is a deficient number, since it is larger than the sum of its proper divisors (556126815).

864064545 is a wasteful number, since it uses less digits than its factorization.

864064545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3985.

The product of its (nonzero) digits is 460800, while the sum is 42.

The square root of 864064545 is about 29394.9748256398. The cubic root of 864064545 is about 952.4643479054.

It can be divided in two parts, 86406 and 4545, that added together give a triangular number (90951 = T426).

The spelling of 864064545 in words is "eight hundred sixty-four million, sixty-four thousand, five hundred forty-five".

Divisors: 1 3 5 15 41 123 205 397 615 1191 1985 3539 5955 10617 16277 17695 48831 53085 81385 145099 244155 435297 725495 1404983 2176485 4214949 7024915 21074745 57604303 172812909 288021515 864064545