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39475972 = 2217580529
BaseRepresentation
bin1001011010010…
…1101100000100
32202021120212001
42112211230010
540101212342
63530035044
7656353204
oct226455404
982246761
1039475972
1120312978
1211278a84
138242183
145358404
1536eb8b7
hex25a5b04

39475972 has 12 divisors (see below), whose sum is σ = 73146780. Its totient is φ = 18576896.

The previous prime is 39475963. The next prime is 39475973. The reversal of 39475972 is 27957493.

It can be written as a sum of positive squares in 2 ways, for example, as 32421636 + 7054336 = 5694^2 + 2656^2 .

It is not an unprimeable number, because it can be changed into a prime (39475973) 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 in 3 ways as a sum of consecutive naturals, for example, 290197 + ... + 290332.

It is an arithmetic number, because the mean of its divisors is an integer number (6095565).

Almost surely, 239475972 is an apocalyptic number.

It is an amenable number.

39475972 is a deficient number, since it is larger than the sum of its proper divisors (33670808).

39475972 is a wasteful number, since it uses less digits than its factorization.

39475972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580550 (or 580548 counting only the distinct ones).

The product of its digits is 476280, while the sum is 46.

The square root of 39475972 is about 6282.9906891543. The cubic root of 39475972 is about 340.4951608726.

The spelling of 39475972 in words is "thirty-nine million, four hundred seventy-five thousand, nine hundred seventy-two".

Divisors: 1 2 4 17 34 68 580529 1161058 2322116 9868993 19737986 39475972