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73325991 = 342158057
BaseRepresentation
bin1000101111011…
…01110110100111
312002222100100110
410113231312213
5122232412431
611135344103
71550155254
oct427556647
9162870313
1073325991
11384329a2
1220682033
131226467b
149a4a42b
156686346
hex45edda7

73325991 has 8 divisors (see below), whose sum is σ = 98001904. Its totient is φ = 48767040.

The previous prime is 73325957. The next prime is 73326013. The reversal of 73325991 is 19952337.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 73325991 - 222 = 69131687 is a prime.

It is a super-2 number, since 2×733259912 = 10753401912264162, 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 (73325951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27766 + ... + 30291.

It is an arithmetic number, because the mean of its divisors is an integer number (12250238).

Almost surely, 273325991 is an apocalyptic number.

73325991 is a deficient number, since it is larger than the sum of its proper divisors (24675913).

73325991 is a wasteful number, since it uses less digits than its factorization.

73325991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58481.

The product of its digits is 51030, while the sum is 39.

The square root of 73325991 is about 8563.0596751395. The cubic root of 73325991 is about 418.5551086558. Note that the first 3 decimals are identical.

The spelling of 73325991 in words is "seventy-three million, three hundred twenty-five thousand, nine hundred ninety-one".

Divisors: 1 3 421 1263 58057 174171 24441997 73325991