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83507842 = 21117223283
BaseRepresentation
bin1001111101000…
…11101010000010
312211010122020001
410332203222002
5132334222332
612141510214
72032543045
oct476435202
9184118201
1083507842
1143157750
1223b7236a
13143bac32
14b13ac5c
1574e80e7
hex4fa3a82

83507842 has 16 divisors (see below), whose sum is σ = 144688032. Its totient is φ = 35725120.

The previous prime is 83507813. The next prime is 83507881. The reversal of 83507842 is 24870538.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111268 + ... + 112015.

It is an arithmetic number, because the mean of its divisors is an integer number (9043002).

Almost surely, 283507842 is an apocalyptic number.

83507842 is a deficient number, since it is larger than the sum of its proper divisors (61180190).

83507842 is a wasteful number, since it uses less digits than its factorization.

83507842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223313.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 83507842 is about 9138.2625263230. The cubic root of 83507842 is about 437.0949145126.

The spelling of 83507842 in words is "eighty-three million, five hundred seven thousand, eight hundred forty-two".

Divisors: 1 2 11 17 22 34 187 374 223283 446566 2456113 3795811 4912226 7591622 41753921 83507842