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73942469 = 1731713721
BaseRepresentation
bin1000110100001…
…00010111000101
312011010122222222
410122010113011
5122412124334
611200502125
71555333466
oct432042705
9164118888
1073942469
1138814087
122091a945
131241c153
149b6ad6d
156758d2e
hex46845c5

73942469 has 8 divisors (see below), whose sum is σ = 78544728. Its totient is φ = 69368320.

The previous prime is 73942417. The next prime is 73942487. The reversal of 73942469 is 96424937.

It can be written as a sum of positive squares in 4 ways, for example, as 925444 + 73017025 = 962^2 + 8545^2 .

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 73942469 - 212 = 73938373 is a prime.

It is a super-2 number, since 2×739424692 = 10934977443631922, 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 (73942369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1472 + ... + 12249.

It is an arithmetic number, because the mean of its divisors is an integer number (9818091).

Almost surely, 273942469 is an apocalyptic number.

It is an amenable number.

73942469 is a deficient number, since it is larger than the sum of its proper divisors (4602259).

73942469 is a wasteful number, since it uses less digits than its factorization.

73942469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14055.

The product of its digits is 326592, while the sum is 44.

The square root of 73942469 is about 8598.9806954080. The cubic root of 73942469 is about 419.7248178516.

The spelling of 73942469 in words is "seventy-three million, nine hundred forty-two thousand, four hundred sixty-nine".

Divisors: 1 17 317 5389 13721 233257 4349557 73942469