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42861093 = 31119197347
BaseRepresentation
bin1010001110000…
…0001000100101
32222122120100220
42203200020211
541433023333
64130354553
71030212312
oct243401045
988576326
1042861093
11222151a0
121242ba59
138b58bc2
145999d09
153b698b3
hex28e0225

42861093 has 32 divisors (see below), whose sum is σ = 66147840. Its totient is φ = 24413760.

The previous prime is 42861083. The next prime is 42861109. The reversal of 42861093 is 39016824.

It is not a de Polignac number, because 42861093 - 25 = 42861061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42861053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123346 + ... + 123692.

It is an arithmetic number, because the mean of its divisors is an integer number (2067120).

Almost surely, 242861093 is an apocalyptic number.

It is an amenable number.

42861093 is a deficient number, since it is larger than the sum of its proper divisors (23286747).

42861093 is a wasteful number, since it uses less digits than its factorization.

42861093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 42861093 is about 6546.8383972724. The cubic root of 42861093 is about 349.9621537309.

The spelling of 42861093 in words is "forty-two million, eight hundred sixty-one thousand, ninety-three".

Divisors: 1 3 11 19 33 57 197 209 347 591 627 1041 2167 3743 3817 6501 6593 11229 11451 19779 41173 68359 72523 123519 205077 217569 751949 1298821 2255847 3896463 14287031 42861093