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85760064 = 2632132881
BaseRepresentation
bin1010001110010…
…01100001000000
312222101001200200
411013021201000
5133423310224
612302045200
72060643225
oct507114100
9188331620
1085760064
1144455895
1224879800
13149c9100
14b56594c
1577e05c9
hex51c9840

85760064 has 126 divisors (see below), whose sum is σ = 266481306. Its totient is φ = 26357760.

The previous prime is 85760057. The next prime is 85760089. The reversal of 85760064 is 46006758.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2585664 + 83174400 = 1608^2 + 9120^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 96904 + ... + 97784.

It is an arithmetic number, because the mean of its divisors is an integer number (2114931).

Almost surely, 285760064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85760064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133240653).

85760064 is an abundant number, since it is smaller than the sum of its proper divisors (180721242).

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

85760064 is a wasteful number, since it uses less digits than its factorization.

85760064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925 (or 899 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 85760064 is about 9260.6729777052. The cubic root of 85760064 is about 440.9896182787.

The spelling of 85760064 in words is "eighty-five million, seven hundred sixty thousand, sixty-four".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 64 72 78 96 104 117 144 156 169 192 208 234 288 312 338 416 468 507 576 624 676 832 881 936 1014 1248 1352 1521 1762 1872 2028 2496 2643 2704 3042 3524 3744 4056 5286 5408 6084 7048 7488 7929 8112 10572 10816 11453 12168 14096 15858 16224 21144 22906 24336 28192 31716 32448 34359 42288 45812 48672 56384 63432 68718 84576 91624 97344 103077 126864 137436 148889 169152 183248 206154 253728 274872 297778 366496 412308 446667 507456 549744 595556 732992 824616 893334 1099488 1191112 1340001 1649232 1786668 2198976 2382224 2680002 3298464 3573336 4764448 5360004 6596928 7146672 9528896 10720008 14293344 21440016 28586688 42880032 85760064