Search a number
-
+
73325137 = 293181563
BaseRepresentation
bin1000101111011…
…01101001010001
312002222022011211
410113231221101
5122232401022
611135340121
71550152624
oct427555121
9162868154
1073325137
1138432296
1220681641
1312264172
149a49dbb
156685e77
hex45eda51

73325137 has 8 divisors (see below), whose sum is σ = 78301440. Its totient is φ = 68512080.

The previous prime is 73325107. The next prime is 73325143. The reversal of 73325137 is 73152337.

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-73325137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73325099 and 73325108.

It is not an unprimeable number, because it can be changed into a prime (73325107) 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, 39883 + ... + 41680.

It is an arithmetic number, because the mean of its divisors is an integer number (9787680).

Almost surely, 273325137 is an apocalyptic number.

It is an amenable number.

73325137 is a deficient number, since it is larger than the sum of its proper divisors (4976303).

73325137 is a wasteful number, since it uses less digits than its factorization.

73325137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81623.

The product of its digits is 13230, while the sum is 31.

The square root of 73325137 is about 8563.0098096405. The cubic root of 73325137 is about 418.5534837320.

The spelling of 73325137 in words is "seventy-three million, three hundred twenty-five thousand, one hundred thirty-seven".

Divisors: 1 29 31 899 81563 2365327 2528453 73325137