Search a number
-
+
73140075 = 32521731879
BaseRepresentation
bin1000101110000…
…00011101101011
312002121220022200
410113000131223
5122210440300
611131351243
71545452241
oct427003553
9162556280
1073140075
1138316248
12205b2523
13121cab68
1499dc791
15664b200
hex45c076b

73140075 has 36 divisors (see below), whose sum is σ = 131829360. Its totient is φ = 38761920.

The previous prime is 73140061. The next prime is 73140091. The reversal of 73140075 is 57004137.

It is not a de Polignac number, because 73140075 - 210 = 73139051 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 37986 + ... + 39864.

Almost surely, 273140075 is an apocalyptic number.

73140075 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

73140075 is a deficient number, since it is larger than the sum of its proper divisors (58689285).

73140075 is a wasteful number, since it uses less digits than its factorization.

73140075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2068 (or 2060 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 73140075 is about 8552.1970861294. The cubic root of 73140075 is about 418.2010643388.

The spelling of 73140075 in words is "seventy-three million, one hundred forty thousand, seventy-five".

Divisors: 1 3 5 9 15 25 45 75 173 225 519 865 1557 1879 2595 4325 5637 7785 9395 12975 16911 28185 38925 46975 84555 140925 325067 422775 975201 1625335 2925603 4876005 8126675 14628015 24380025 73140075