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39680632 = 2319125969
BaseRepresentation
bin1001011101011…
…1101001111000
32202122222121001
42113113221320
540124240012
63534254344
7661164655
oct227275170
982588531
1039680632
1120442712
12113573b4
1382b4384
1453acc2c
15373c357
hex25d7a78

39680632 has 16 divisors (see below), whose sum is σ = 74793600. Its totient is φ = 19735680.

The previous prime is 39680621. The next prime is 39680639. The reversal of 39680632 is 23608693.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 39680591 and 39680600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39680639) 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, 11457 + ... + 14512.

It is an arithmetic number, because the mean of its divisors is an integer number (4674600).

Almost surely, 239680632 is an apocalyptic number.

It is an amenable number.

39680632 is a deficient number, since it is larger than the sum of its proper divisors (35112968).

39680632 is a wasteful number, since it uses less digits than its factorization.

39680632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26166 (or 26162 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 39680632 is about 6299.2564640599. The cubic root of 39680632 is about 341.0825701671.

The spelling of 39680632 in words is "thirty-nine million, six hundred eighty thousand, six hundred thirty-two".

Divisors: 1 2 4 8 191 382 764 1528 25969 51938 103876 207752 4960079 9920158 19840316 39680632