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206470044 = 223211331139
BaseRepresentation
bin11000100111001…
…11101110011100
3112101111202122200
430103213232130
5410324020134
632253211500
75054652324
oct1423475634
9471452580
10206470044
11a6602000
1259190b90
1333a11231
141d5c8284
15131d6499
hexc4e7b9c

206470044 has 144 divisors (see below), whose sum is σ = 596843520. Its totient is φ = 60112800.

The previous prime is 206470037. The next prime is 206470051. The reversal of 206470044 is 440074602.

It is an interprime number because it is at equal distance from previous prime (206470037) and next prime (206470051).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1485327 + ... + 1485465.

Almost surely, 2206470044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206470044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298421760).

206470044 is an abundant number, since it is smaller than the sum of its proper divisors (390373476).

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

206470044 is a wasteful number, since it uses less digits than its factorization.

206470044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 206470044 is about 14369.0655228515. The cubic root of 206470044 is about 591.0429164812.

The spelling of 206470044 in words is "two hundred six million, four hundred seventy thousand, forty-four".

Divisors: 1 2 3 4 6 9 11 12 18 22 31 33 36 44 62 66 93 99 121 124 132 139 186 198 242 278 279 341 363 372 396 417 484 556 558 682 726 834 1023 1089 1116 1251 1331 1364 1452 1529 1668 2046 2178 2502 2662 3058 3069 3751 3993 4092 4309 4356 4587 5004 5324 6116 6138 7502 7986 8618 9174 11253 11979 12276 12927 13761 15004 15972 16819 17236 18348 22506 23958 25854 27522 33638 33759 38781 41261 45012 47399 47916 50457 51708 55044 67276 67518 77562 82522 94798 100914 123783 135036 142197 151371 155124 165044 185009 189596 201828 247566 284394 302742 370018 371349 426591 495132 521389 555027 568788 605484 740036 742698 853182 1042778 1110054 1485396 1564167 1665081 1706364 2085556 2220108 3128334 3330162 4692501 5735279 6256668 6660324 9385002 11470558 17205837 18770004 22941116 34411674 51617511 68823348 103235022 206470044