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1418083897 = 6123247277
BaseRepresentation
bin101010010000110…
…0011111000111001
310122211101010101211
41110201203320321
510401012141042
6352414243121
750066341246
oct12441437071
93584333354
101418083897
1166852046a
12336ab64a1
13197a409c9
14d649c5cd
1584768017
hex54863e39

1418083897 has 4 divisors (see below), whose sum is σ = 1441331236. Its totient is φ = 1394836560.

The previous prime is 1418083889. The next prime is 1418083913. The reversal of 1418083897 is 7983808141.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 50637456 + 1367446441 = 7116^2 + 36979^2 .

It is a cyclic number.

It is not a de Polignac number, because 1418083897 - 23 = 1418083889 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 1418083897.

It is not an unprimeable number, because it can be changed into a prime (1418083097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11623578 + ... + 11623699.

It is an arithmetic number, because the mean of its divisors is an integer number (360332809).

Almost surely, 21418083897 is an apocalyptic number.

It is an amenable number.

1418083897 is a deficient number, since it is larger than the sum of its proper divisors (23247339).

1418083897 is an equidigital number, since it uses as much as digits as its factorization.

1418083897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23247338.

The product of its (nonzero) digits is 387072, while the sum is 49.

The square root of 1418083897 is about 37657.4547334256. The cubic root of 1418083897 is about 1123.4850778307.

The spelling of 1418083897 in words is "one billion, four hundred eighteen million, eighty-three thousand, eight hundred ninety-seven".

Divisors: 1 61 23247277 1418083897