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42208472 = 2337913921
BaseRepresentation
bin1010000100000…
…0110011011000
32221102102010202
42201000303120
541301132342
64104401332
71021523525
oct241006330
987372122
1042208472
1121909939
1212176248
13898ab37
14586a14c
153a8b332
hex2840cd8

42208472 has 16 divisors (see below), whose sum is σ = 79355400. Its totient is φ = 21047040.

The previous prime is 42208471. The next prime is 42208477. The reversal of 42208472 is 27480224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42208471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3929 + ... + 9992.

Almost surely, 242208472 is an apocalyptic number.

It is an amenable number.

42208472 is a deficient number, since it is larger than the sum of its proper divisors (37146928).

42208472 is a wasteful number, since it uses less digits than its factorization.

42208472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14306 (or 14302 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 42208472 is about 6496.8047531075. The cubic root of 42208472 is about 348.1768379433.

Adding to 42208472 its reverse (27480224), we get a palindrome (69688696).

The spelling of 42208472 in words is "forty-two million, two hundred eight thousand, four hundred seventy-two".

Divisors: 1 2 4 8 379 758 1516 3032 13921 27842 55684 111368 5276059 10552118 21104236 42208472