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42861070 = 257612301
BaseRepresentation
bin1010001110000…
…0001000001110
32222122120100001
42203200020032
541433023240
64130354514
71030212250
oct243401016
988576301
1042861070
112221517a
121242ba3a
138b58ba5
145999cd0
153b6989a
hex28e020e

42861070 has 16 divisors (see below), whose sum is σ = 88171488. Its totient is φ = 14695200.

The previous prime is 42861061. The next prime is 42861073. The reversal of 42861070 is 7016824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42861073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306081 + ... + 306220.

It is an arithmetic number, because the mean of its divisors is an integer number (5510718).

Almost surely, 242861070 is an apocalyptic number.

42861070 is an abundant number, since it is smaller than the sum of its proper divisors (45310418).

42861070 is a wasteful number, since it uses less digits than its factorization.

42861070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612315.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 42861070 is about 6546.8366406991. The cubic root of 42861070 is about 349.9620911323.

Adding to 42861070 its reverse (7016824), we get a palindrome (49877894).

It can be divided in two parts, 4286 and 1070, that added together give a triangular number (5356 = T103).

The spelling of 42861070 in words is "forty-two million, eight hundred sixty-one thousand, seventy".

Divisors: 1 2 5 7 10 14 35 70 612301 1224602 3061505 4286107 6123010 8572214 21430535 42861070