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42072848 = 243771069
BaseRepresentation
bin1010000001111…
…1101100010000
32221011112002122
42200133230100
541232312343
64101433412
71020420236
oct240375420
987145078
1042072848
1121826a54
121210b868
13894119c
145832956
153a61068
hex281fb10

42072848 has 20 divisors (see below), whose sum is σ = 83720460. Its totient is φ = 20467584.

The previous prime is 42072829. The next prime is 42072853. The reversal of 42072848 is 84827024.

It can be written as a sum of positive squares in 2 ways, for example, as 14531344 + 27541504 = 3812^2 + 5248^2 .

It is a super-2 number, since 2×420728482 = 3540249077662208, which contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

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 in 3 ways as a sum of consecutive naturals, for example, 34943 + ... + 36126.

It is an arithmetic number, because the mean of its divisors is an integer number (4186023).

Almost surely, 242072848 is an apocalyptic number.

It is an amenable number.

42072848 is a deficient number, since it is larger than the sum of its proper divisors (41647612).

42072848 is a wasteful number, since it uses less digits than its factorization.

42072848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71114 (or 71108 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 35.

The square root of 42072848 is about 6486.3586086494. The cubic root of 42072848 is about 347.8035179233.

The spelling of 42072848 in words is "forty-two million, seventy-two thousand, eight hundred forty-eight".

Divisors: 1 2 4 8 16 37 74 148 296 592 71069 142138 284276 568552 1137104 2629553 5259106 10518212 21036424 42072848