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73930385 = 573202549
BaseRepresentation
bin1000110100000…
…01011010010001
312011010001102102
410122001122101
5122411233020
611200330145
71555253324
oct432013221
9164101372
1073930385
1138805aa1
1220913955
13124167b9
149b667bb
156755475
hex4681691

73930385 has 8 divisors (see below), whose sum is σ = 89932200. Its totient is φ = 58333824.

The previous prime is 73930379. The next prime is 73930397. The reversal of 73930385 is 58303937.

It can be written as a sum of positive squares in 4 ways, for example, as 33085504 + 40844881 = 5752^2 + 6391^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-73930385 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100910 + ... + 101639.

It is an arithmetic number, because the mean of its divisors is an integer number (11241525).

Almost surely, 273930385 is an apocalyptic number.

It is an amenable number.

73930385 is a deficient number, since it is larger than the sum of its proper divisors (16001815).

73930385 is a wasteful number, since it uses less digits than its factorization.

73930385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202627.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 73930385 is about 8598.2780252792. The cubic root of 73930385 is about 419.7019521873.

The spelling of 73930385 in words is "seventy-three million, nine hundred thirty thousand, three hundred eighty-five".

Divisors: 1 5 73 365 202549 1012745 14786077 73930385