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85019234 = 271598727
BaseRepresentation
bin1010001000101…
…00101001100010
312220222102110112
411010110221202
5133231103414
612234131322
72051436326
oct504245142
9186872415
1085019234
1143a9a233
1224580b42
13147c9b51
14b411986
1576e5d3e
hex5114a62

85019234 has 8 divisors (see below), whose sum is σ = 129325248. Its totient is φ = 41910820.

The previous prime is 85019197. The next prime is 85019269. The reversal of 85019234 is 43291058.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 85019234.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299222 + ... + 299505.

It is an arithmetic number, because the mean of its divisors is an integer number (16165656).

Almost surely, 285019234 is an apocalyptic number.

85019234 is a deficient number, since it is larger than the sum of its proper divisors (44306014).

85019234 is a wasteful number, since it uses less digits than its factorization.

85019234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598800.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 85019234 is about 9220.5875083966. The cubic root of 85019234 is about 439.7161288801.

The spelling of 85019234 in words is "eighty-five million, nineteen thousand, two hundred thirty-four".

Divisors: 1 2 71 142 598727 1197454 42509617 85019234