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73093069 = 710441867
BaseRepresentation
bin1000101101101…
…00111111001101
312002112111211201
410112310333031
5122202434234
611130345501
71545165220
oct426647715
9162474751
1073093069
11382939a5
122058b291
13121b264a
1499c95b7
15663c314
hex45b4fcd

73093069 has 4 divisors (see below), whose sum is σ = 83534944. Its totient is φ = 62651196.

The previous prime is 73093063. The next prime is 73093073. The reversal of 73093069 is 96039037.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96039037 = 499192463.

It is a cyclic number.

It is not a de Polignac number, because 73093069 - 217 = 72961997 is a prime.

It is a super-2 number, since 2×730930692 = 10685193471677522, 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 (73093063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5220927 + ... + 5220940.

It is an arithmetic number, because the mean of its divisors is an integer number (20883736).

Almost surely, 273093069 is an apocalyptic number.

It is an amenable number.

73093069 is a deficient number, since it is larger than the sum of its proper divisors (10441875).

73093069 is a wasteful number, since it uses less digits than its factorization.

73093069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10441874.

The product of its (nonzero) digits is 30618, while the sum is 37.

The square root of 73093069 is about 8549.4484617430. The cubic root of 73093069 is about 418.1114546776. Note that the first 3 decimals are identical.

The spelling of 73093069 in words is "seventy-three million, ninety-three thousand, sixty-nine".

Divisors: 1 7 10441867 73093069