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39680752 = 247931393
BaseRepresentation
bin1001011101011…
…1101011110000
32202122222202111
42113113223300
540124241002
63534255104
7661165216
oct227275360
982588674
1039680752
1120442811
1211357494
1382b4447
1453accb6
15373c3d7
hex25d7af0

39680752 has 20 divisors (see below), whose sum is σ = 77857120. Its totient is φ = 19588608.

The previous prime is 39680731. The next prime is 39680777. The reversal of 39680752 is 25708693.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14433 + ... + 16960.

It is an arithmetic number, because the mean of its divisors is an integer number (3892856).

Almost surely, 239680752 is an apocalyptic number.

It is an amenable number.

39680752 is a deficient number, since it is larger than the sum of its proper divisors (38176368).

39680752 is a wasteful number, since it uses less digits than its factorization.

39680752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31480 (or 31474 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 39680752 is about 6299.2659889863. The cubic root of 39680752 is about 341.0829139945.

The spelling of 39680752 in words is "thirty-nine million, six hundred eighty thousand, seven hundred fifty-two".

Divisors: 1 2 4 8 16 79 158 316 632 1264 31393 62786 125572 251144 502288 2480047 4960094 9920188 19840376 39680752