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85162311 = 321335973
BaseRepresentation
bin1010001001101…
…11100101000111
312221020200201200
411010313211013
5133300143221
612241153543
72052603423
oct504674507
9187220650
1085162311
1144087783
122462b8b3
131484a000
14b44bb83
157723426
hex5137947

85162311 has 48 divisors (see below), whose sum is σ = 137373600. Its totient is φ = 50813568.

The previous prime is 85162303. The next prime is 85162321. The reversal of 85162311 is 11326158.

It is not a de Polignac number, because 85162311 - 23 = 85162303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85162321) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1166571 + ... + 1166643.

It is an arithmetic number, because the mean of its divisors is an integer number (2861950).

Almost surely, 285162311 is an apocalyptic number.

85162311 is a deficient number, since it is larger than the sum of its proper divisors (52211289).

85162311 is a wasteful number, since it uses less digits than its factorization.

85162311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 148 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 85162311 is about 9228.3428089771. The cubic root of 85162311 is about 439.9626535106.

Adding to 85162311 its reverse (11326158), we get a palindrome (96488469).

The spelling of 85162311 in words is "eighty-five million, one hundred sixty-two thousand, three hundred eleven".

Divisors: 1 3 9 13 39 59 73 117 169 177 219 507 531 657 767 949 1521 2197 2301 2847 4307 6591 6903 8541 9971 12337 12921 19773 29913 37011 38763 55991 89739 111033 129623 160381 167973 388869 481143 503919 727883 1166607 1443429 2183649 6550947 9462479 28387437 85162311