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420707795 = 5137361283
BaseRepresentation
bin11001000100110…
…111110111010011
31002022122011121012
4121010313313103
51330200122140
6105425121135
713265646224
oct3104676723
91068564535
10420707795
111a6529aa2
12b8a891ab
1369211c31
143dc3524b
1526e04265
hex19137dd3

420707795 has 8 divisors (see below), whose sum is σ = 505225296. Its totient is φ = 336315616.

The previous prime is 420707783. The next prime is 420707809. The reversal of 420707795 is 597707024.

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 420707795 - 216 = 420642259 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23777 + ... + 37506.

It is an arithmetic number, because the mean of its divisors is an integer number (63153162).

Almost surely, 2420707795 is an apocalyptic number.

420707795 is a deficient number, since it is larger than the sum of its proper divisors (84517501).

420707795 is a wasteful number, since it uses less digits than its factorization.

420707795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62661.

The product of its (nonzero) digits is 123480, while the sum is 41.

The square root of 420707795 is about 20511.1626925438. The cubic root of 420707795 is about 749.3076840912.

The spelling of 420707795 in words is "four hundred twenty million, seven hundred seven thousand, seven hundred ninety-five".

Divisors: 1 5 1373 6865 61283 306415 84141559 420707795