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83145922 = 241572961
BaseRepresentation
bin1001111010010…
…11010011000010
312210110020202121
410331023103002
5132241132142
612130034454
72026504636
oct475132302
9183406677
1083145922
1142a2a842
1223a18a2a
13142c2292
14b084dc6
157475c67
hex4f4b4c2

83145922 has 4 divisors (see below), whose sum is σ = 124718886. Its totient is φ = 41572960.

The previous prime is 83145917. The next prime is 83145947. The reversal of 83145922 is 22954138.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 81703521 + 1442401 = 9039^2 + 1201^2 .

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 as a sum of consecutive naturals, namely, 20786479 + ... + 20786482.

Almost surely, 283145922 is an apocalyptic number.

83145922 is a deficient number, since it is larger than the sum of its proper divisors (41572964).

83145922 is a wasteful number, since it uses less digits than its factorization.

83145922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41572963.

The product of its digits is 17280, while the sum is 34.

The square root of 83145922 is about 9118.4385724750. The cubic root of 83145922 is about 436.4625488395.

The spelling of 83145922 in words is "eighty-three million, one hundred forty-five thousand, nine hundred twenty-two".

Divisors: 1 2 41572961 83145922