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42303632 = 247377711
BaseRepresentation
bin1010000101100…
…0000010010000
32221121020200012
42201120002100
541312204012
64110414052
71022401130
oct241300220
987536605
1042303632
1121974388
1212201328
1389c2247
145892ac0
153aa9622
hex2858090

42303632 has 20 divisors (see below), whose sum is σ = 93672576. Its totient is φ = 18130080.

The previous prime is 42303589. The next prime is 42303641. The reversal of 42303632 is 23630324.

It is a super-3 number, since 3×423036323 (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42303598 and 42303607.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188744 + ... + 188967.

Almost surely, 242303632 is an apocalyptic number.

It is an amenable number.

42303632 is an abundant number, since it is smaller than the sum of its proper divisors (51368944).

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

42303632 is a wasteful number, since it uses less digits than its factorization.

42303632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377726 (or 377720 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 42303632 is about 6504.1242300559. The cubic root of 42303632 is about 348.4382991945.

Adding to 42303632 its reverse (23630324), we get a palindrome (65933956).

The spelling of 42303632 in words is "forty-two million, three hundred three thousand, six hundred thirty-two".

Divisors: 1 2 4 7 8 14 16 28 56 112 377711 755422 1510844 2643977 3021688 5287954 6043376 10575908 21151816 42303632