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206869072 = 24372231567
BaseRepresentation
bin11000101010010…
…01001001010000
3112102021001000111
430111021021100
5410424302242
632305531104
75061233554
oct1425111120
9472231014
10206869072
11a6854883
1259343a94
1333b20a47
141d68d864
1513264817
hexc549250

206869072 has 40 divisors (see below), whose sum is σ = 413751296. Its totient is φ = 100123776.

The previous prime is 206869051. The next prime is 206869081. The reversal of 206869072 is 270968602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131233 + ... + 132799.

Almost surely, 2206869072 is an apocalyptic number.

It is an amenable number.

206869072 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

206869072 is a wasteful number, since it uses less digits than its factorization.

206869072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1835 (or 1829 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 206869072 is about 14382.9437876952. The cubic root of 206869072 is about 591.4234251171.

The spelling of 206869072 in words is "two hundred six million, eight hundred sixty-nine thousand, seventy-two".

Divisors: 1 2 4 8 16 37 74 148 223 296 446 592 892 1567 1784 3134 3568 6268 8251 12536 16502 25072 33004 57979 66008 115958 132016 231916 349441 463832 698882 927664 1397764 2795528 5591056 12929317 25858634 51717268 103434536 206869072