Search a number
-
+
420103351 = 3113551721
BaseRepresentation
bin11001000010100…
…100010010110111
31002021111110110101
4121002210102313
51330021301401
6105404134531
713260551053
oct3102442267
91067443411
10420103351
111a6156958
12b8837447
136905ca85
143db18c63
1526d35101
hex190a44b7

420103351 has 4 divisors (see below), whose sum is σ = 433655104. Its totient is φ = 406551600.

The previous prime is 420103301. The next prime is 420103373. The reversal of 420103351 is 153301024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420103351 - 219 = 419579063 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 (420103301) 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, 6775830 + ... + 6775891.

It is an arithmetic number, because the mean of its divisors is an integer number (108413776).

Almost surely, 2420103351 is an apocalyptic number.

420103351 is a deficient number, since it is larger than the sum of its proper divisors (13551753).

420103351 is a wasteful number, since it uses less digits than its factorization.

420103351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13551752.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 420103351 is about 20496.4228830301. The cubic root of 420103351 is about 748.9486608626.

Adding to 420103351 its reverse (153301024), we get a palindrome (573404375).

The spelling of 420103351 in words is "four hundred twenty million, one hundred three thousand, three hundred fifty-one".

Divisors: 1 31 13551721 420103351