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427022965 = 5478321893
BaseRepresentation
bin11001011100111…
…101101001110101
31002202112000101101
4121130331221311
51333304213330
6110212330101
713403430625
oct3134755165
91082460341
10427022965
111aa052746
12bb013931
136a613515
14409da885
15277504ca
hex1973da75

427022965 has 16 divisors (see below), whose sum is σ = 529659648. Its totient is φ = 330306496.

The previous prime is 427022963. The next prime is 427022971. The reversal of 427022965 is 569220724.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 427022965 - 21 = 427022963 is a prime.

It is a super-2 number, since 2×4270229652 = 364697225274782450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427022963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8559 + ... + 30451.

It is an arithmetic number, because the mean of its divisors is an integer number (33103728).

Almost surely, 2427022965 is an apocalyptic number.

It is an amenable number.

427022965 is a deficient number, since it is larger than the sum of its proper divisors (102636683).

427022965 is a wasteful number, since it uses less digits than its factorization.

427022965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22028.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 427022965 is about 20664.5339894226. The cubic root of 427022965 is about 753.0383207807.

The spelling of 427022965 in words is "four hundred twenty-seven million, twenty-two thousand, nine hundred sixty-five".

Divisors: 1 5 47 83 235 415 3901 19505 21893 109465 1028971 1817119 5144855 9085595 85404593 427022965