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42253775 = 523154521
BaseRepresentation
bin1010000100101…
…1110111001111
32221111201021122
42201023313033
541304110100
64105351155
71022102564
oct241136717
987451248
1042253775
112193a983
12121984bb
1389a5645
14587c86b
153a99985
hex284bdcf

42253775 has 12 divisors (see below), whose sum is σ = 54085824. Its totient is φ = 32712000.

The previous prime is 42253769. The next prime is 42253801. The reversal of 42253775 is 57735224.

It is not a de Polignac number, because 42253775 - 24 = 42253759 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26486 + ... + 28035.

It is an arithmetic number, because the mean of its divisors is an integer number (4507152).

Almost surely, 242253775 is an apocalyptic number.

42253775 is a deficient number, since it is larger than the sum of its proper divisors (11832049).

42253775 is a wasteful number, since it uses less digits than its factorization.

42253775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54562 (or 54557 counting only the distinct ones).

The product of its digits is 58800, while the sum is 35.

The square root of 42253775 is about 6500.2903781293. The cubic root of 42253775 is about 348.3013612488.

Adding to 42253775 its reverse (57735224), we get a palindrome (99988999).

It can be divided in two parts, 4225 and 3775, that added together give a cube (8000 = 203).

The spelling of 42253775 in words is "forty-two million, two hundred fifty-three thousand, seven hundred seventy-five".

Divisors: 1 5 25 31 155 775 54521 272605 1363025 1690151 8450755 42253775