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68597329 = 172237361
BaseRepresentation
bin1000001011010…
…11011001010001
311210002002211211
410011223121101
5120030103304
610450140121
71462032133
oct405533121
9153062754
1068597329
11357a3209
121ab81641
131129a248
149179053
156050204
hex416b651

68597329 has 6 divisors (see below), whose sum is σ = 72870134. Its totient is φ = 64561920.

The previous prime is 68597323. The next prime is 68597351. The reversal of 68597329 is 92379586.

It can be written as a sum of positive squares in 3 ways, for example, as 5870929 + 62726400 = 2423^2 + 7920^2 .

It is not a de Polignac number, because 68597329 - 29 = 68596817 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68597323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 118392 + ... + 118969.

Almost surely, 268597329 is an apocalyptic number.

It is an amenable number.

68597329 is a deficient number, since it is larger than the sum of its proper divisors (4272805).

68597329 is a wasteful number, since it uses less digits than its factorization.

68597329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237395 (or 237378 counting only the distinct ones).

The product of its digits is 816480, while the sum is 49.

The square root of 68597329 is about 8282.3504514117. The cubic root of 68597329 is about 409.3571703207.

The spelling of 68597329 in words is "sixty-eight million, five hundred ninety-seven thousand, three hundred twenty-nine".

Divisors: 1 17 289 237361 4035137 68597329