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83474079 = 3138924049
BaseRepresentation
bin1001111100110…
…11011010011111
312211001220220120
410332123122133
5132332132304
612141050023
72032342443
oct476333237
9184056816
1083474079
1143134347
1223b56913
13143a8760
14b12c823
1574dd0d9
hex4f9b69f

83474079 has 16 divisors (see below), whose sum is σ = 121212000. Its totient is φ = 50789376.

The previous prime is 83474077. The next prime is 83474081. The reversal of 83474079 is 97047438.

It is an interprime number because it is at equal distance from previous prime (83474077) and next prime (83474081).

It is not a de Polignac number, because 83474079 - 21 = 83474077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83474079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83474071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8554 + ... + 15495.

It is an arithmetic number, because the mean of its divisors is an integer number (7575750).

Almost surely, 283474079 is an apocalyptic number.

83474079 is a gapful number since it is divisible by the number (89) formed by its first and last digit.

83474079 is a deficient number, since it is larger than the sum of its proper divisors (37737921).

83474079 is a wasteful number, since it uses less digits than its factorization.

83474079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24154.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 83474079 is about 9136.4149971419. The cubic root of 83474079 is about 437.0359993873.

The spelling of 83474079 in words is "eighty-three million, four hundred seventy-four thousand, seventy-nine".

Divisors: 1 3 13 39 89 267 1157 3471 24049 72147 312637 937911 2140361 6421083 27824693 83474079