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1420153205 = 5301194331
BaseRepresentation
bin101010010100101…
…1101000101110101
310122222021020221212
41110221131011311
510402024400310
6352530451205
750123050232
oct12451350565
93588236855
101420153205
11669704139
12337733b05
131982b6853
14d687a789
1584a26205
hex54a5d175

1420153205 has 8 divisors (see below), whose sum is σ = 1704767904. Its totient is φ = 1135733200.

The previous prime is 1420153201. The next prime is 1420153211. The reversal of 1420153205 is 5023510241.

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

It is not a de Polignac number, because 1420153205 - 22 = 1420153201 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 (1420153201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32111 + ... + 62220.

It is an arithmetic number, because the mean of its divisors is an integer number (213095988).

Almost surely, 21420153205 is an apocalyptic number.

It is an amenable number.

1420153205 is a deficient number, since it is larger than the sum of its proper divisors (284614699).

1420153205 is an equidigital number, since it uses as much as digits as its factorization.

1420153205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97347.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1420153205 is about 37684.9201272870. The cubic root of 1420153205 is about 1124.0312859353.

Adding to 1420153205 its reverse (5023510241), we get a palindrome (6443663446).

The spelling of 1420153205 in words is "one billion, four hundred twenty million, one hundred fifty-three thousand, two hundred five".

Divisors: 1 5 3011 15055 94331 471655 284030641 1420153205