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207989067 = 311131719279
BaseRepresentation
bin11000110010110…
…10100101001011
3112111100221100210
430121122211023
5411221122232
632345532203
75103610056
oct1431324513
9474327323
10207989067
11a744a2a0
12597a4063
1334123770
141d8a1a9d
15133d65cc
hexc65a94b

207989067 has 96 divisors (see below), whose sum is σ = 368686080. Its totient is φ = 102435840.

The previous prime is 207989063. The next prime is 207989071. The reversal of 207989067 is 760989702.

207989067 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (207989063) and next prime (207989071).

It is not a de Polignac number, because 207989067 - 22 = 207989063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (207989063) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2632734 + ... + 2632812.

It is an arithmetic number, because the mean of its divisors is an integer number (3840480).

Almost surely, 2207989067 is an apocalyptic number.

207989067 is a deficient number, since it is larger than the sum of its proper divisors (160697013).

207989067 is a wasteful number, since it uses less digits than its factorization.

207989067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 48.

The square root of 207989067 is about 14421.8260632973. The cubic root of 207989067 is about 592.4888324196.

The spelling of 207989067 in words is "two hundred seven million, nine hundred eighty-nine thousand, sixty-seven".

Divisors: 1 3 11 13 17 19 33 39 51 57 79 143 187 209 221 237 247 323 361 429 561 627 663 741 869 969 1027 1083 1343 1501 2431 2607 2717 3081 3553 3971 4029 4199 4503 4693 6137 7293 8151 10659 11297 11913 12597 14079 14773 16511 17459 18411 19513 25517 28519 33891 44319 46189 49533 51623 52377 58539 67507 76551 79781 85557 138567 154869 192049 202521 214643 239343 280687 313709 331721 370747 484823 576147 643929 842061 877591 941127 995163 1112241 1454469 2632773 3648931 4078217 5333053 6302699 10946793 12234651 15999159 18908097 69329689 207989067