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73196769 = 324398923
BaseRepresentation
bin1000101110011…
…10010011100001
312002201210002110
410113032103201
5122214244034
611132505533
71546106442
oct427162341
9162653073
1073196769
11383548a8
122061b2a9
131221a8c9
149a152c9
15665cde9
hex45ce4e1

73196769 has 4 divisors (see below), whose sum is σ = 97595696. Its totient is φ = 48797844.

The previous prime is 73196743. The next prime is 73196779. The reversal of 73196769 is 96769137.

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: 96769137 = 332256379.

It is not a de Polignac number, because 73196769 - 29 = 73196257 is a prime.

It is a super-2 number, since 2×731967692 = 10715533984078722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73196779) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 12199459 + ... + 12199464.

It is an arithmetic number, because the mean of its divisors is an integer number (24398924).

Almost surely, 273196769 is an apocalyptic number.

It is an amenable number.

73196769 is a deficient number, since it is larger than the sum of its proper divisors (24398927).

73196769 is a wasteful number, since it uses less digits than its factorization.

73196769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24398926.

The product of its digits is 428652, while the sum is 48.

The square root of 73196769 is about 8555.5110309087. The cubic root of 73196769 is about 418.3090916079.

The spelling of 73196769 in words is "seventy-three million, one hundred ninety-six thousand, seven hundred sixty-nine".

Divisors: 1 3 24398923 73196769