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85302458 = 242651229
BaseRepresentation
bin1010001010110…
…01110010111010
312221111210222022
411011121302322
5133314134313
612244154442
72054026133
oct505316272
9187453868
1085302458
1144172aaa
1224698a22
1314898a37
14b486c8a
15774ec08
hex5159cba

85302458 has 4 divisors (see below), whose sum is σ = 127953690. Its totient is φ = 42651228.

The previous prime is 85302439. The next prime is 85302463. The reversal of 85302458 is 85420358.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85420358 = 242710179.

It can be written as a sum of positive squares in only one way, i.e., 81234169 + 4068289 = 9013^2 + 2017^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21325613 + ... + 21325616.

Almost surely, 285302458 is an apocalyptic number.

85302458 is a deficient number, since it is larger than the sum of its proper divisors (42651232).

85302458 is a wasteful number, since it uses less digits than its factorization.

85302458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42651231.

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 85302458 is about 9235.9329794017. The cubic root of 85302458 is about 440.2038621430.

The spelling of 85302458 in words is "eighty-five million, three hundred two thousand, four hundred fifty-eight".

Divisors: 1 2 42651229 85302458