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83153409 = 3171630459
BaseRepresentation
bin1001111010011…
…01001000000001
312210110122000220
410331031020001
5132241402114
612130133253
72026535523
oct475151001
9183418026
1083153409
1142a35429
1223a21229
13142c5801
14b087a13
1574780a9
hex4f4d201

83153409 has 8 divisors (see below), whose sum is σ = 117393120. Its totient is φ = 52174656.

The previous prime is 83153363. The next prime is 83153417. The reversal of 83153409 is 90435138.

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

It is not a de Polignac number, because 83153409 - 27 = 83153281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83153409.

It is not an unprimeable number, because it can be changed into a prime (83153419) 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, 815179 + ... + 815280.

It is an arithmetic number, because the mean of its divisors is an integer number (14674140).

Almost surely, 283153409 is an apocalyptic number.

It is an amenable number.

83153409 is a deficient number, since it is larger than the sum of its proper divisors (34239711).

83153409 is a wasteful number, since it uses less digits than its factorization.

83153409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630479.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 83153409 is about 9118.8491050132. The cubic root of 83153409 is about 436.4756490892.

The spelling of 83153409 in words is "eighty-three million, one hundred fifty-three thousand, four hundred nine".

Divisors: 1 3 17 51 1630459 4891377 27717803 83153409