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1409579090 = 25140957909
BaseRepresentation
bin101010000000100…
…0111100001010010
310122020101000222222
41110001013201102
510341323012330
6351512101042
746634140013
oct12401074122
93566330888
101409579090
116637416a7
12334094782
1319605388a
14d52c700a
1583b380e5
hex54047852

1409579090 has 8 divisors (see below), whose sum is σ = 2537242380. Its totient is φ = 563831632.

The previous prime is 1409579077. The next prime is 1409579113. The reversal of 1409579090 is 909759041.

It can be written as a sum of positive squares in 2 ways, for example, as 1285724449 + 123854641 = 35857^2 + 11129^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70478945 + ... + 70478964.

Almost surely, 21409579090 is an apocalyptic number.

1409579090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1409579090 is a deficient number, since it is larger than the sum of its proper divisors (1127663290).

1409579090 is a wasteful number, since it uses less digits than its factorization.

1409579090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140957916.

The product of its (nonzero) digits is 102060, while the sum is 44.

The square root of 1409579090 is about 37544.3616272803. The cubic root of 1409579090 is about 1121.2345787780.

The spelling of 1409579090 in words is "one billion, four hundred nine million, five hundred seventy-nine thousand, ninety".

Divisors: 1 2 5 10 140957909 281915818 704789545 1409579090