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83384157 = 347591377
BaseRepresentation
bin1001111100001…
…01011101011101
312210220100120010
410332011131131
5132321243112
612135113433
72031516333
oct476053535
9183810503
1083384157
114308282a
1223b12879
131437684c
14b107b53
1574c163c
hex4f8575d

83384157 has 8 divisors (see below), whose sum is σ = 113544576. Its totient is φ = 54406592.

The previous prime is 83384153. The next prime is 83384159. The reversal of 83384157 is 75148338.

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 83384157 - 22 = 83384153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83384153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295548 + ... + 295829.

It is an arithmetic number, because the mean of its divisors is an integer number (14193072).

Almost surely, 283384157 is an apocalyptic number.

It is an amenable number.

83384157 is a deficient number, since it is larger than the sum of its proper divisors (30160419).

83384157 is a wasteful number, since it uses less digits than its factorization.

83384157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591427.

The product of its digits is 80640, while the sum is 39.

The square root of 83384157 is about 9131.4925943134. The cubic root of 83384157 is about 436.8790114470.

The spelling of 83384157 in words is "eighty-three million, three hundred eighty-four thousand, one hundred fifty-seven".

Divisors: 1 3 47 141 591377 1774131 27794719 83384157