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42928810 = 2523186647
BaseRepresentation
bin1010001111000…
…0101010101010
32222210000020221
42203300222222
541442210220
64132040254
71030613611
oct243605252
988700227
1042928810
1122261061
121246308a
138b80982
1459b6878
153b7e9aa
hex28f0aaa

42928810 has 16 divisors (see below), whose sum is σ = 80631936. Its totient is φ = 16424848.

The previous prime is 42928793. The next prime is 42928841. The reversal of 42928810 is 1882924.

It is a super-2 number, since 2×429288102 = 3685765456032200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93094 + ... + 93553.

It is an arithmetic number, because the mean of its divisors is an integer number (5039496).

Almost surely, 242928810 is an apocalyptic number.

42928810 is a deficient number, since it is larger than the sum of its proper divisors (37703126).

42928810 is a wasteful number, since it uses less digits than its factorization.

42928810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186677.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 42928810 is about 6552.0080891281. The cubic root of 42928810 is about 350.1463605561.

The spelling of 42928810 in words is "forty-two million, nine hundred twenty-eight thousand, eight hundred ten".

Divisors: 1 2 5 10 23 46 115 230 186647 373294 933235 1866470 4292881 8585762 21464405 42928810