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85900032 = 2832231621
BaseRepresentation
bin1010001111010…
…11101100000000
312222122011200200
411013223230000
5133442300112
612305045200
72062065261
oct507535400
9188564620
1085900032
1144540a69
1224926800
1314a47a2a
14b5a0968
15781bcdc
hex51ebb00

85900032 has 108 divisors (see below), whose sum is σ = 258598704. Its totient is φ = 27371520.

The previous prime is 85900027. The next prime is 85900037. The reversal of 85900032 is 23000958.

It is an interprime number because it is at equal distance from previous prime (85900027) and next prime (85900037).

It is a junction number, because it is equal to n+sod(n) for n = 85899969 and 85900005.

It is not an unprimeable number, because it can be changed into a prime (85900037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52182 + ... + 53802.

Almost surely, 285900032 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 85900032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129299352).

85900032 is an abundant number, since it is smaller than the sum of its proper divisors (172698672).

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

85900032 is a wasteful number, since it uses less digits than its factorization.

85900032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666 (or 1649 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 85900032 is about 9268.2270149150. The cubic root of 85900032 is about 441.2293992153.

The spelling of 85900032 in words is "eighty-five million, nine hundred thousand, thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 23 24 32 36 46 48 64 69 72 92 96 128 138 144 184 192 207 256 276 288 368 384 414 552 576 736 768 828 1104 1152 1472 1621 1656 2208 2304 2944 3242 3312 4416 4863 5888 6484 6624 8832 9726 12968 13248 14589 17664 19452 25936 26496 29178 37283 38904 51872 52992 58356 74566 77808 103744 111849 116712 149132 155616 207488 223698 233424 298264 311232 335547 414976 447396 466848 596528 622464 671094 894792 933696 1193056 1244928 1342188 1789584 1867392 2386112 2684376 3579168 3734784 4772224 5368752 7158336 9544448 10737504 14316672 21475008 28633344 42950016 85900032