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83528146 = 2133379533
BaseRepresentation
bin1001111101010…
…00100111010010
312211011200002001
410332220213102
5132340400041
612142144214
72032656202
oct476504722
9184150061
1083528146
1143170a29
1223b8206a
13143c7250
14b144402
1574ee131
hex4fa89d2

83528146 has 16 divisors (see below), whose sum is σ = 135344664. Its totient is φ = 38433024.

The previous prime is 83528141. The next prime is 83528173. The reversal of 83528146 is 64182538.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 33189121 + 50339025 = 5761^2 + 7095^2 .

It is not an unprimeable number, because it can be changed into a prime (83528141) 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, 3996 + ... + 13528.

Almost surely, 283528146 is an apocalyptic number.

83528146 is a deficient number, since it is larger than the sum of its proper divisors (51816518).

83528146 is a wasteful number, since it uses less digits than its factorization.

83528146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9885.

The product of its digits is 46080, while the sum is 37.

The square root of 83528146 is about 9139.3733920877. The cubic root of 83528146 is about 437.1303365590.

The spelling of 83528146 in words is "eighty-three million, five hundred twenty-eight thousand, one hundred forty-six".

Divisors: 1 2 13 26 337 674 4381 8762 9533 19066 123929 247858 3212621 6425242 41764073 83528146