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42254433 = 3313120383
BaseRepresentation
bin1010000100110…
…0000001100001
32221111202012000
42201030001201
541304120213
64105354213
71022104524
oct241140141
987452160
1042254433
1121940421
1212198969
1389a5a30
14587cbbb
153a99c73
hex284c061

42254433 has 16 divisors (see below), whose sum is σ = 67415040. Its totient is φ = 26002512.

The previous prime is 42254417. The next prime is 42254437. The reversal of 42254433 is 33445224.

42254433 is a `hidden beast` number, since 4 + 225 + 4 + 433 = 666.

It is not a de Polignac number, because 42254433 - 24 = 42254417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 42254397 and 42254406.

It is not an unprimeable number, because it can be changed into a prime (42254437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59841 + ... + 60542.

It is an arithmetic number, because the mean of its divisors is an integer number (4213440).

Almost surely, 242254433 is an apocalyptic number.

It is an amenable number.

42254433 is a deficient number, since it is larger than the sum of its proper divisors (25160607).

42254433 is a wasteful number, since it uses less digits than its factorization.

42254433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120405 (or 120399 counting only the distinct ones).

The product of its digits is 11520, while the sum is 27.

The square root of 42254433 is about 6500.3409910558. The cubic root of 42254433 is about 348.3031692222.

Adding to 42254433 its reverse (33445224), we get a palindrome (75699657).

The spelling of 42254433 in words is "forty-two million, two hundred fifty-four thousand, four hundred thirty-three".

Divisors: 1 3 9 13 27 39 117 351 120383 361149 1083447 1564979 3250341 4694937 14084811 42254433