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85879392 = 25319197239
BaseRepresentation
bin1010001111001…
…10101001100000
312222121010101020
411013212221200
5133441120032
612304405440
72061651144
oct507465140
9188533336
1085879392
1144527505
1224916880
1314a3b511
14b597224
157815b2c
hex51e6a60

85879392 has 96 divisors (see below), whose sum is σ = 239500800. Its totient is φ = 26869248.

The previous prime is 85879357. The next prime is 85879429. The reversal of 85879392 is 29397858.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 359209 + ... + 359447.

It is an arithmetic number, because the mean of its divisors is an integer number (2494800).

Almost surely, 285879392 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 85879392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119750400).

85879392 is an abundant number, since it is smaller than the sum of its proper divisors (153621408).

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

85879392 is a wasteful number, since it uses less digits than its factorization.

85879392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468 (or 460 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 51.

The square root of 85879392 is about 9267.1134664468. The cubic root of 85879392 is about 441.1940569533.

The spelling of 85879392 in words is "eighty-five million, eight hundred seventy-nine thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 19 24 32 38 48 57 76 96 114 152 197 228 239 304 394 456 478 591 608 717 788 912 956 1182 1434 1576 1824 1912 2364 2868 3152 3743 3824 4541 4728 5736 6304 7486 7648 9082 9456 11229 11472 13623 14972 18164 18912 22458 22944 27246 29944 36328 44916 47083 54492 59888 72656 89832 94166 108984 119776 141249 145312 179664 188332 217968 282498 359328 376664 435936 564996 753328 894577 1129992 1506656 1789154 2259984 2683731 3578308 4519968 5367462 7156616 10734924 14313232 21469848 28626464 42939696 85879392