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427380737 = 7197145259
BaseRepresentation
bin11001011110010…
…101000000000001
31002210012012011012
4121132111000001
51333402140422
6110224130305
713406450660
oct3136250001
91083165135
10427380737
111aa277523
12bb166995
136a70a314
1440a90dd7
15277c14e2
hex19795001

427380737 has 16 divisors (see below), whose sum is σ = 521395200. Its totient is φ = 342150480.

The previous prime is 427380721. The next prime is 427380749. The reversal of 427380737 is 737083724.

It is not a de Polignac number, because 427380737 - 24 = 427380721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 427380694 and 427380703.

It is not an unprimeable number, because it can be changed into a prime (427380797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13187 + ... + 32072.

It is an arithmetic number, because the mean of its divisors is an integer number (32587200).

Almost surely, 2427380737 is an apocalyptic number.

It is an amenable number.

427380737 is a deficient number, since it is larger than the sum of its proper divisors (94014463).

427380737 is a wasteful number, since it uses less digits than its factorization.

427380737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45356.

The product of its (nonzero) digits is 197568, while the sum is 41.

The square root of 427380737 is about 20673.1888444913. The cubic root of 427380737 is about 753.2485677242.

The spelling of 427380737 in words is "four hundred twenty-seven million, three hundred eighty thousand, seven hundred thirty-seven".

Divisors: 1 7 19 71 133 497 1349 9443 45259 316813 859921 3213389 6019447 22493723 61054391 427380737