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83472077 = 1310496121
BaseRepresentation
bin1001111100110…
…10111011001101
312211001211011102
410332122323031
5132332101302
612141032445
72032333553
oct476327315
9184054142
1083472077
1143132897
1223b55725
13143a7880
14b12bbd3
1574dc702
hex4f9aecd

83472077 has 8 divisors (see below), whose sum is σ = 89993400. Its totient is φ = 76965120.

The previous prime is 83472071. The next prime is 83472101. The reversal of 83472077 is 77027438.

It can be written as a sum of positive squares in 4 ways, for example, as 3798601 + 79673476 = 1949^2 + 8926^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 83472077 - 24 = 83472061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83472077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83472071) 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, 10577 + ... + 16697.

It is an arithmetic number, because the mean of its divisors is an integer number (11249175).

Almost surely, 283472077 is an apocalyptic number.

It is an amenable number.

83472077 is a deficient number, since it is larger than the sum of its proper divisors (6521323).

83472077 is a wasteful number, since it uses less digits than its factorization.

83472077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7183.

The product of its (nonzero) digits is 65856, while the sum is 38.

The square root of 83472077 is about 9136.3054349119. The cubic root of 83472077 is about 437.0325054760.

The spelling of 83472077 in words is "eighty-three million, four hundred seventy-two thousand, seventy-seven".

Divisors: 1 13 1049 6121 13637 79573 6420929 83472077