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42512024 = 235314003
BaseRepresentation
bin1010001000101…
…0111010011000
32221222211112102
42202022322120
541340341044
64115102532
71024226522
oct242127230
987884472
1042512024
1121aa6a05
12122a1a48
138a66059
145908a12
153aeb24e
hex288ae98

42512024 has 8 divisors (see below), whose sum is σ = 79710060. Its totient is φ = 21256008.

The previous prime is 42512023. The next prime is 42512047. The reversal of 42512024 is 42021524.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 42511987 and 42512005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42512023) by changing a digit.

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, 2656994 + ... + 2657009.

Almost surely, 242512024 is an apocalyptic number.

It is an amenable number.

42512024 is a deficient number, since it is larger than the sum of its proper divisors (37198036).

42512024 is a wasteful number, since it uses less digits than its factorization.

42512024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5314009 (or 5314005 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 42512024 is about 6520.1245386879. The cubic root of 42512024 is about 349.0095097887.

Adding to 42512024 its reverse (42021524), we get a palindrome (84533548).

The spelling of 42512024 in words is "forty-two million, five hundred twelve thousand, twenty-four".

Divisors: 1 2 4 8 5314003 10628006 21256012 42512024