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85648488 = 2333796451
BaseRepresentation
bin1010001101011…
…10010001101000
312222011101122020
411012232101220
5133411222423
612255424440
72060000022
oct506562150
9188141566
1085648488
1144389a82
1224825120
131498a3a3
14b537012
1577bc4e3
hex51ae468

85648488 has 32 divisors (see below), whose sum is σ = 219910560. Its totient is φ = 27777600.

The previous prime is 85648469. The next prime is 85648489. The reversal of 85648488 is 88484658.

It is a super-2 number, since 2×856484882 = 14671326993372288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 85648488.

It is not an unprimeable number, because it can be changed into a prime (85648489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47338 + ... + 49113.

It is an arithmetic number, because the mean of its divisors is an integer number (6872205).

Almost surely, 285648488 is an apocalyptic number.

It is an amenable number.

85648488 is an abundant number, since it is smaller than the sum of its proper divisors (134262072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85648488 is a wasteful number, since it uses less digits than its factorization.

85648488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96497 (or 96493 counting only the distinct ones).

The product of its digits is 1966080, while the sum is 51.

The square root of 85648488 is about 9254.6468328078. The cubic root of 85648488 is about 440.7982890855.

The spelling of 85648488 in words is "eighty-five million, six hundred forty-eight thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 24 37 74 111 148 222 296 444 888 96451 192902 289353 385804 578706 771608 1157412 2314824 3568687 7137374 10706061 14274748 21412122 28549496 42824244 85648488