Search a number
-
+
73003381 = 1120633217
BaseRepresentation
bin1000101100111…
…11000101110101
312002100221210221
410112133011311
5122142102011
611124414341
71544342563
oct426370565
9162327727
1073003381
1138232580
12205473b1
1312180889
1499a4a33
156620971
hex459f175

73003381 has 8 divisors (see below), whose sum is σ = 79703424. Its totient is φ = 66313920.

The previous prime is 73003373. The next prime is 73003387. The reversal of 73003381 is 18330037.

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 73003381 - 23 = 73003373 is a prime.

It is a super-2 number, since 2×730033812 = 10658987274862322, 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 (73003387) 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, 21085 + ... + 24301.

It is an arithmetic number, because the mean of its divisors is an integer number (9962928).

Almost surely, 273003381 is an apocalyptic number.

It is an amenable number.

73003381 is a deficient number, since it is larger than the sum of its proper divisors (6700043).

73003381 is a wasteful number, since it uses less digits than its factorization.

73003381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5291.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 73003381 is about 8544.2016010860. The cubic root of 73003381 is about 417.9403717512.

The spelling of 73003381 in words is "seventy-three million, three thousand, three hundred eighty-one".

Divisors: 1 11 2063 3217 22693 35387 6636671 73003381