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420768303 = 3140256101
BaseRepresentation
bin11001000101000…
…110101000101111
31002022202020121020
4121011012220233
51330204041203
6105430305223
713266320514
oct3105065057
91068666536
10420768303
111a65704aa
12b8ab8213
1369233637
143dc4d30b
1526e17153
hex19146a2f

420768303 has 4 divisors (see below), whose sum is σ = 561024408. Its totient is φ = 280512200.

The previous prime is 420768259. The next prime is 420768307. The reversal of 420768303 is 303867024.

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 420768303 - 29 = 420767791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420768307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70128048 + ... + 70128053.

It is an arithmetic number, because the mean of its divisors is an integer number (140256102).

Almost surely, 2420768303 is an apocalyptic number.

420768303 is a deficient number, since it is larger than the sum of its proper divisors (140256105).

420768303 is a wasteful number, since it uses less digits than its factorization.

420768303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140256104.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 420768303 is about 20512.6376412201. The cubic root of 420768303 is about 749.3436052511.

The spelling of 420768303 in words is "four hundred twenty million, seven hundred sixty-eight thousand, three hundred three".

Divisors: 1 3 140256101 420768303