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1420205235 = 3594680349
BaseRepresentation
bin101010010100110…
…1001110010110011
310122222100220022220
41110221221302303
510402033031420
6352531532123
750123355021
oct12451516263
93588326286
101420205235
1166973a239
1233775a043
13198304437
14d6891711
1584a36840
hex54a69cb3

1420205235 has 8 divisors (see below), whose sum is σ = 2272328400. Its totient is φ = 757442784.

The previous prime is 1420205203. The next prime is 1420205243. The reversal of 1420205235 is 5325020241.

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

It is not a de Polignac number, because 1420205235 - 25 = 1420205203 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47340160 + ... + 47340189.

It is an arithmetic number, because the mean of its divisors is an integer number (284041050).

Almost surely, 21420205235 is an apocalyptic number.

1420205235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1420205235 is a deficient number, since it is larger than the sum of its proper divisors (852123165).

1420205235 is an equidigital number, since it uses as much as digits as its factorization.

1420205235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94680357.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 1420205235 is about 37685.6104501440. The cubic root of 1420205235 is about 1124.0450127721.

Adding to 1420205235 its reverse (5325020241), we get a palindrome (6745225476).

The spelling of 1420205235 in words is "one billion, four hundred twenty million, two hundred five thousand, two hundred thirty-five".

Divisors: 1 3 5 15 94680349 284041047 473401745 1420205235