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42284752 = 242642797
BaseRepresentation
bin1010000101001…
…1011011010000
32221120021202221
42201103123100
541311103002
64110150424
71022262106
oct241233320
987507687
1042284752
1121961184
12121b2414
1389b6783
145889c76
153aa3c37
hex28536d0

42284752 has 10 divisors (see below), whose sum is σ = 81926738. Its totient is φ = 21142368.

The previous prime is 42284731. The next prime is 42284771. The reversal of 42284752 is 25748224.

It can be written as a sum of positive squares in only one way, i.e., 25441936 + 16842816 = 5044^2 + 4104^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1321383 + ... + 1321414.

Almost surely, 242284752 is an apocalyptic number.

It is an amenable number.

42284752 is a deficient number, since it is larger than the sum of its proper divisors (39641986).

42284752 is a wasteful number, since it uses less digits than its factorization.

42284752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2642805 (or 2642799 counting only the distinct ones).

The product of its digits is 35840, while the sum is 34.

The square root of 42284752 is about 6502.6726812904. The cubic root of 42284752 is about 348.3864557815.

The spelling of 42284752 in words is "forty-two million, two hundred eighty-four thousand, seven hundred fifty-two".

Divisors: 1 2 4 8 16 2642797 5285594 10571188 21142376 42284752