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83057258 = 241528629
BaseRepresentation
bin1001111001101…
…01101001101010
312210021202010202
410330311221222
5132230313013
612124112202
72025655304
oct474655152
9183252122
1083057258
114297a169
1223995662
1314290b0b
14b060974
157459858
hex4f35a6a

83057258 has 4 divisors (see below), whose sum is σ = 124585890. Its totient is φ = 41528628.

The previous prime is 83057213. The next prime is 83057263. The reversal of 83057258 is 85275038.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85275038 = 242637519.

It can be written as a sum of positive squares in only one way, i.e., 47927929 + 35129329 = 6923^2 + 5927^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20764313 + ... + 20764316.

Almost surely, 283057258 is an apocalyptic number.

83057258 is a deficient number, since it is larger than the sum of its proper divisors (41528632).

83057258 is a wasteful number, since it uses less digits than its factorization.

83057258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41528631.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 83057258 is about 9113.5754783729. The cubic root of 83057258 is about 436.3073506921.

The spelling of 83057258 in words is "eighty-three million, fifty-seven thousand, two hundred fifty-eight".

Divisors: 1 2 41528629 83057258