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2430297 = 3390011
BaseRepresentation
bin1001010001010101011001
311120110202000
421101111121
51110232142
6124031213
726441262
oct11212531
94513660
102430297
11140aa11
12992509
1367125c
14473969
1533014c
hex251559

2430297 has 8 divisors (see below), whose sum is σ = 3600480. Its totient is φ = 1620180.

The previous prime is 2430293. The next prime is 2430299. The reversal of 2430297 is 7920342.

It is not a de Polignac number, because 2430297 - 22 = 2430293 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 90011 = 2430297 / (2 + 4 + 3 + 0 + 2 + 9 + 7).

2430297 is a modest number, since divided by 297 gives 243 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 2430297.

It is not an unprimeable number, because it can be changed into a prime (2430293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44979 + ... + 45032.

It is an arithmetic number, because the mean of its divisors is an integer number (450060).

22430297 is an apocalyptic number.

2430297 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2430297 is a deficient number, since it is larger than the sum of its proper divisors (1170183).

2430297 is an equidigital number, since it uses as much as digits as its factorization.

2430297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90020 (or 90014 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 2430297 is about 1558.9409866958. The cubic root of 2430297 is about 134.4476194460.

The spelling of 2430297 in words is "two million, four hundred thirty thousand, two hundred ninety-seven".

Divisors: 1 3 9 27 90011 270033 810099 2430297