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42232424 = 2313231237
BaseRepresentation
bin1010000100011…
…0101001101000
32221110121222212
42201012221220
541302414144
64105104252
71021653413
oct241065150
987417885
1042232424
1121925933
1212188088
138998a00
145874b7a
153a9349e
hex2846a68

42232424 has 24 divisors (see below), whose sum is σ = 85748310. Its totient is φ = 19491264.

The previous prime is 42232391. The next prime is 42232441. The reversal of 42232424 is 42423224.

It can be written as a sum of positive squares in 3 ways, for example, as 30052324 + 12180100 = 5482^2 + 3490^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42232424.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14267 + ... + 16970.

Almost surely, 242232424 is an apocalyptic number.

It is an amenable number.

42232424 is an abundant number, since it is smaller than the sum of its proper divisors (43515886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42232424 is a wasteful number, since it uses less digits than its factorization.

42232424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31269 (or 31252 counting only the distinct ones).

The product of its digits is 3072, while the sum is 23.

The square root of 42232424 is about 6498.6478593627. The cubic root of 42232424 is about 348.2426853451.

Adding to 42232424 its reverse (42423224), we get a palindrome (84655648).

The spelling of 42232424 in words is "forty-two million, two hundred thirty-two thousand, four hundred twenty-four".

Divisors: 1 2 4 8 13 26 52 104 169 338 676 1352 31237 62474 124948 249896 406081 812162 1624324 3248648 5279053 10558106 21116212 42232424