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42827406 = 23191971907
BaseRepresentation
bin1010001101011…
…1111010001110
32222120212011020
42203113322032
541430434111
64125535010
71030012146
oct243277216
988525136
1042827406
11221a1956
1212414466
138b4677b
14598b926
153b5e906
hex28d7e8e

42827406 has 32 divisors (see below), whose sum is σ = 90668160. Its totient is φ = 13448736.

The previous prime is 42827383. The next prime is 42827417. The reversal of 42827406 is 60472824.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21505 + ... + 23411.

It is an arithmetic number, because the mean of its divisors is an integer number (2833380).

Almost surely, 242827406 is an apocalyptic number.

42827406 is an abundant number, since it is smaller than the sum of its proper divisors (47840754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42827406 is a wasteful number, since it uses less digits than its factorization.

42827406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2128.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 42827406 is about 6544.2651229913. The cubic root of 42827406 is about 349.8704445669.

The spelling of 42827406 in words is "forty-two million, eight hundred twenty-seven thousand, four hundred six".

Divisors: 1 2 3 6 19 38 57 114 197 394 591 1182 1907 3743 3814 5721 7486 11229 11442 22458 36233 72466 108699 217398 375679 751358 1127037 2254074 7137901 14275802 21413703 42827406