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297242073 = 32531633823
BaseRepresentation
bin10001101101111…
…000110111011001
3202201022110110200
4101231320313121
51102043221243
645254532413
710236341652
oct2155706731
9681273420
10297242073
11142870407
1283667109
13497736ab
142b696529
151b166ad3
hex11b78dd9

297242073 has 24 divisors (see below), whose sum is σ = 440249472. Its totient is φ = 193179168.

The previous prime is 297242069. The next prime is 297242089. The reversal of 297242073 is 370242792.

It is not a de Polignac number, because 297242073 - 22 = 297242069 is a prime.

It is a super-2 number, since 2×2972420732 = 176705699922674658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (297242063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75840 + ... + 79662.

It is an arithmetic number, because the mean of its divisors is an integer number (18343728).

Almost surely, 2297242073 is an apocalyptic number.

It is an amenable number.

297242073 is a deficient number, since it is larger than the sum of its proper divisors (143007399).

297242073 is a wasteful number, since it uses less digits than its factorization.

297242073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4045 (or 4042 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 297242073 is about 17240.7097591717. The cubic root of 297242073 is about 667.3752458010.

The spelling of 297242073 in words is "two hundred ninety-seven million, two hundred forty-two thousand, seventy-three".

Divisors: 1 3 9 53 159 163 477 489 1467 3823 8639 11469 25917 34407 77751 202619 607857 623149 1823571 1869447 5608341 33026897 99080691 297242073