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1420353793 = 2971689827
BaseRepresentation
bin101010010101000…
…1110000100000001
310122222122110010001
41110222032010001
510402102310133
6352535040001
750124544105
oct12452160401
93588573101
101420353793
11669830911
12337810001
13198356c41
14d68cd905
1584a6587d
hex54a8e101

1420353793 has 8 divisors (see below), whose sum is σ = 1490028480. Its totient is φ = 1352058960.

The previous prime is 1420353763. The next prime is 1420353827. The reversal of 1420353793 is 3973530241.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1420353793 - 25 = 1420353761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420353763) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 342855 + ... + 346972.

It is an arithmetic number, because the mean of its divisors is an integer number (186253560).

Almost surely, 21420353793 is an apocalyptic number.

It is an amenable number.

1420353793 is a deficient number, since it is larger than the sum of its proper divisors (69674687).

1420353793 is an equidigital number, since it uses as much as digits as its factorization.

1420353793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689927.

The product of its (nonzero) digits is 68040, while the sum is 37.

The square root of 1420353793 is about 37687.5814161641. The cubic root of 1420353793 is about 1124.0842043041.

The spelling of 1420353793 in words is "one billion, four hundred twenty million, three hundred fifty-three thousand, seven hundred ninety-three".

Divisors: 1 29 71 2059 689827 20004983 48977717 1420353793