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68170832 = 244260677
BaseRepresentation
bin1000001000000…
…11010001010000
311202021102210122
410010003101100
5114422431312
610433045412
71455304532
oct404032120
9152242718
1068170832
1135531834
121a9b6868
131117b092
1490a7852
155eb8b72
hex4103450

68170832 has 10 divisors (see below), whose sum is σ = 132081018. Its totient is φ = 34085408.

The previous prime is 68170811. The next prime is 68170849. The reversal of 68170832 is 23807186.

It can be written as a sum of positive squares in only one way, i.e., 60902416 + 7268416 = 7804^2 + 2696^2 .

It is a junction number, because it is equal to n+sod(n) for n = 68170792 and 68170801.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 2130323 + ... + 2130354.

Almost surely, 268170832 is an apocalyptic number.

It is an amenable number.

68170832 is a deficient number, since it is larger than the sum of its proper divisors (63910186).

68170832 is a wasteful number, since it uses less digits than its factorization.

68170832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4260685 (or 4260679 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 68170832 is about 8256.5629653022. The cubic root of 68170832 is about 408.5070269612.

The spelling of 68170832 in words is "sixty-eight million, one hundred seventy thousand, eight hundred thirty-two".

Divisors: 1 2 4 8 16 4260677 8521354 17042708 34085416 68170832