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73800069 = 373514289
BaseRepresentation
bin1000110011000…
…01100110000101
312010212102122220
410121201212011
5122343100234
611153442553
71554201360
oct431414605
9163772586
1073800069
11387270a2
1220870459
131239c3a5
149b310d7
15672ba49
hex4661985

73800069 has 8 divisors (see below), whose sum is σ = 112457280. Its totient is φ = 42171456.

The previous prime is 73800053. The next prime is 73800109. The reversal of 73800069 is 96000837.

It is a happy number.

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

It is not a de Polignac number, because 73800069 - 24 = 73800053 is a prime.

It is a super-2 number, since 2×738000692 = 10892900368809522, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73800269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1757124 + ... + 1757165.

It is an arithmetic number, because the mean of its divisors is an integer number (14057160).

Almost surely, 273800069 is an apocalyptic number.

It is an amenable number.

73800069 is a deficient number, since it is larger than the sum of its proper divisors (38657211).

73800069 is a wasteful number, since it uses less digits than its factorization.

73800069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3514299.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 73800069 is about 8590.6966539391. The cubic root of 73800069 is about 419.4552063370.

The spelling of 73800069 in words is "seventy-three million, eight hundred thousand, sixty-nine".

Divisors: 1 3 7 21 3514289 10542867 24600023 73800069