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83478995 = 5111714947
BaseRepresentation
bin1001111100111…
…00100111010011
312211002011122122
410332130213103
5132332311440
612141124455
72032362665
oct476344723
9184064578
1083478995
1143138006
1223b5972b
13143aaa72
14b130535
1574de7b5
hex4f9c9d3

83478995 has 8 divisors (see below), whose sum is σ = 100271184. Its totient is φ = 66718944.

The previous prime is 83478979. The next prime is 83479013. The reversal of 83478995 is 59987438.

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 83478995 - 24 = 83478979 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1889 + ... + 13058.

It is an arithmetic number, because the mean of its divisors is an integer number (12533898).

Almost surely, 283478995 is an apocalyptic number.

83478995 is a deficient number, since it is larger than the sum of its proper divisors (16792189).

83478995 is a wasteful number, since it uses less digits than its factorization.

83478995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16069.

The product of its digits is 2177280, while the sum is 53.

The square root of 83478995 is about 9136.6840264945. The cubic root of 83478995 is about 437.0445786046.

The spelling of 83478995 in words is "eighty-three million, four hundred seventy-eight thousand, nine hundred ninety-five".

Divisors: 1 5 1117 5585 14947 74735 16695799 83478995