Search a number
-
+
86671053 = 357229251
BaseRepresentation
bin1010010101001…
…11111011001101
320001002100100000
411022213323031
5134141433203
612333354513
72101456200
oct512477315
9201070300
1086671053
1144a18277
1225038a39
1314c57961
14b721937
1579204a3
hex52a7ecd

86671053 has 72 divisors (see below), whose sum is σ = 156854880. Its totient is φ = 47628000.

The previous prime is 86671043. The next prime is 86671063. The reversal of 86671053 is 35017668.

It is an interprime number because it is at equal distance from previous prime (86671043) and next prime (86671063).

It is not a de Polignac number, because 86671053 - 29 = 86670541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86670999 and 86671017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86671003) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 345178 + ... + 345428.

It is an arithmetic number, because the mean of its divisors is an integer number (2178540).

Almost surely, 286671053 is an apocalyptic number.

It is an amenable number.

86671053 is a deficient number, since it is larger than the sum of its proper divisors (70183827).

86671053 is a wasteful number, since it uses less digits than its factorization.

86671053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 86671053 is about 9309.7289434226. The cubic root of 86671053 is about 442.5455971399.

The spelling of 86671053 in words is "eighty-six million, six hundred seventy-one thousand, fifty-three".

Divisors: 1 3 7 9 21 27 29 49 63 81 87 147 189 203 243 251 261 441 567 609 753 783 1323 1421 1701 1757 1827 2259 2349 3969 4263 5271 5481 6777 7047 7279 11907 12299 12789 15813 16443 20331 21837 36897 38367 47439 49329 50953 60993 65511 110691 115101 142317 152859 196533 332073 345303 356671 426951 458577 589599 996219 1070013 1375731 1768797 2988657 3210039 4127193 9630117 12381579 28890351 86671053