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1418741197 = 1499521753
BaseRepresentation
bin101010010010000…
…0100010111001101
310122212121112001021
41110210010113031
510401144204242
6352440314141
750105046466
oct12444042715
93585545037
101418741197
1166892a295
12337172951
13197c10c43
14d65cdd6d
1584847b67
hex549045cd

1418741197 has 4 divisors (see below), whose sum is σ = 1428263100. Its totient is φ = 1409219296.

The previous prime is 1418741179. The next prime is 1418741221. The reversal of 1418741197 is 7911478141.

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 849489316 + 569251881 = 29146^2 + 23859^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1418741197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1418741167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4760728 + ... + 4761025.

It is an arithmetic number, because the mean of its divisors is an integer number (357065775).

Almost surely, 21418741197 is an apocalyptic number.

It is an amenable number.

1418741197 is a deficient number, since it is larger than the sum of its proper divisors (9521903).

1418741197 is an equidigital number, since it uses as much as digits as its factorization.

1418741197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9521902.

The product of its digits is 56448, while the sum is 43.

The square root of 1418741197 is about 37666.1810779909. The cubic root of 1418741197 is about 1123.6586342463.

The spelling of 1418741197 in words is "one billion, four hundred eighteen million, seven hundred forty-one thousand, one hundred ninety-seven".

Divisors: 1 149 9521753 1418741197