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83642896 = 245227681
BaseRepresentation
bin1001111110001…
…00101000010000
312211101111111001
410333010220100
5132403033041
612144431344
72033644561
oct477045020
9184344431
1083642896
114323a167
1224018554
131443754c
14b174168
157523131
hex4fc4a10

83642896 has 10 divisors (see below), whose sum is σ = 162058142. Its totient is φ = 41821440.

The previous prime is 83642893. The next prime is 83642947. The reversal of 83642896 is 69824638.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 83466496 + 176400 = 9136^2 + 420^2 .

It is a super-2 number, since 2×836428962 = 13992268102533632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (83642891) 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 as a sum of consecutive naturals, namely, 2613825 + ... + 2613856.

Almost surely, 283642896 is an apocalyptic number.

It is an amenable number.

83642896 is a deficient number, since it is larger than the sum of its proper divisors (78415246).

83642896 is a wasteful number, since it uses less digits than its factorization.

83642896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5227689 (or 5227683 counting only the distinct ones).

The product of its digits is 497664, while the sum is 46.

The square root of 83642896 is about 9145.6490201625. The cubic root of 83642896 is about 437.3304198282.

The spelling of 83642896 in words is "eighty-three million, six hundred forty-two thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 16 5227681 10455362 20910724 41821448 83642896