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297623093 = 887335539
BaseRepresentation
bin10001101111010…
…101111000110101
3202202000211010112
4101233111320311
51102142414333
645311032405
710242516545
oct2157257065
9682024115
10297623093
111430006a9
128380b705
1349877c51
142b755325
151b1de948
hex11bd5e35

297623093 has 4 divisors (see below), whose sum is σ = 297959520. Its totient is φ = 297286668.

The previous prime is 297623089. The next prime is 297623107. The reversal of 297623093 is 390326792.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 297623093 - 22 = 297623089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 297623093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (297623393) 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 3 ways as a sum of consecutive naturals, for example, 166883 + ... + 168656.

It is an arithmetic number, because the mean of its divisors is an integer number (74489880).

Almost surely, 2297623093 is an apocalyptic number.

It is an amenable number.

297623093 is a deficient number, since it is larger than the sum of its proper divisors (336427).

297623093 is an equidigital number, since it uses as much as digits as its factorization.

297623093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336426.

The product of its (nonzero) digits is 122472, while the sum is 41.

The square root of 297623093 is about 17251.7562294394. The cubic root of 297623093 is about 667.6602825499.

The spelling of 297623093 in words is "two hundred ninety-seven million, six hundred twenty-three thousand, ninety-three".

Divisors: 1 887 335539 297623093