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297868072 = 23277134417
BaseRepresentation
bin10001110000010…
…001101100101000
3202202111021011211
4101300101230220
51102223234242
645320202504
710244560015
oct2160215450
9682437154
10297868072
11143158767
1283909434
13499325c8
142b7ba70c
151b23c317
hex11c11b28

297868072 has 16 divisors (see below), whose sum is σ = 560523060. Its totient is φ = 148395264.

The previous prime is 297868037. The next prime is 297868079. The reversal of 297868072 is 270868792.

It can be written as a sum of positive squares in 2 ways, for example, as 297424516 + 443556 = 17246^2 + 666^2 .

It is not an unprimeable number, because it can be changed into a prime (297868079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64993 + ... + 69424.

Almost surely, 2297868072 is an apocalyptic number.

It is an amenable number.

297868072 is a deficient number, since it is larger than the sum of its proper divisors (262654988).

297868072 is a wasteful number, since it uses less digits than its factorization.

297868072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134700 (or 134696 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 49.

The square root of 297868072 is about 17258.8548866951. The cubic root of 297868072 is about 667.8434200994.

The spelling of 297868072 in words is "two hundred ninety-seven million, eight hundred sixty-eight thousand, seventy-two".

Divisors: 1 2 4 8 277 554 1108 2216 134417 268834 537668 1075336 37233509 74467018 148934036 297868072