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73196381 = 1312931907
BaseRepresentation
bin1000101110011…
…10001101011101
312002201202120002
410113032031131
5122214241011
611132504045
71546105346
oct427161535
9162652502
1073196381
1138354585
122061b025
131221a68b
149a150cd
15665cc3b
hex45ce35d

73196381 has 8 divisors (see below), whose sum is σ = 74045664. Its totient is φ = 72351760.

The previous prime is 73196371. The next prime is 73196393. The reversal of 73196381 is 18369137.

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

It is a cyclic number.

It is not a de Polignac number, because 73196381 - 210 = 73195357 is a prime.

It is a super-2 number, since 2×731963812 = 10715420382994322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73196311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37430 + ... + 39336.

It is an arithmetic number, because the mean of its divisors is an integer number (9255708).

Almost surely, 273196381 is an apocalyptic number.

It is an amenable number.

73196381 is a deficient number, since it is larger than the sum of its proper divisors (849283).

73196381 is a wasteful number, since it uses less digits than its factorization.

73196381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2331.

The product of its digits is 27216, while the sum is 38.

The square root of 73196381 is about 8555.4883554359. The cubic root of 73196381 is about 418.3083524850.

The spelling of 73196381 in words is "seventy-three million, one hundred ninety-six thousand, three hundred eighty-one".

Divisors: 1 131 293 1907 38383 249817 558751 73196381