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42284770 = 2511384407
BaseRepresentation
bin1010000101001…
…1011011100010
32221120021210121
42201103123202
541311103040
64110150454
71022262133
oct241233342
987507717
1042284770
11219611a0
12121b242a
1389b6798
145889c8a
153aa3c4a
hex28536e2

42284770 has 16 divisors (see below), whose sum is σ = 83032128. Its totient is φ = 15376240.

The previous prime is 42284731. The next prime is 42284771. The reversal of 42284770 is 7748224.

It is not an unprimeable number, because it can be changed into a prime (42284771) 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, 192094 + ... + 192313.

It is an arithmetic number, because the mean of its divisors is an integer number (5189508).

Almost surely, 242284770 is an apocalyptic number.

42284770 is a deficient number, since it is larger than the sum of its proper divisors (40747358).

42284770 is a wasteful number, since it uses less digits than its factorization.

42284770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384425.

The product of its (nonzero) digits is 25088, while the sum is 34.

The square root of 42284770 is about 6502.6740653365. The cubic root of 42284770 is about 348.3865052159.

It can be divided in two parts, 4228 and 4770, that added together give a palindrome (8998).

The spelling of 42284770 in words is "forty-two million, two hundred eighty-four thousand, seven hundred seventy".

Divisors: 1 2 5 10 11 22 55 110 384407 768814 1922035 3844070 4228477 8456954 21142385 42284770