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85080834 = 2333797439
BaseRepresentation
bin1010001001000…
…11101100000010
312221002112222000
411010203230002
5133240041314
612235324430
72052114036
oct504435402
9187075860
1085080834
1144031543
12245b0716
131481bbb7
14b42a1c6
157709209
hex5123b02

85080834 has 64 divisors (see below), whose sum is σ = 196627200. Its totient is φ = 27247104.

The previous prime is 85080829. The next prime is 85080839. The reversal of 85080834 is 43808058.

It is an interprime number because it is at equal distance from previous prime (85080829) and next prime (85080839).

It is not an unprimeable number, because it can be changed into a prime (85080839) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193587 + ... + 194025.

It is an arithmetic number, because the mean of its divisors is an integer number (3072300).

Almost surely, 285080834 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85080834, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98313600).

85080834 is an abundant number, since it is smaller than the sum of its proper divisors (111546366).

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

85080834 is a wasteful number, since it uses less digits than its factorization.

85080834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584 (or 578 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 85080834 is about 9223.9272547001. The cubic root of 85080834 is about 439.8223008333.

The spelling of 85080834 in words is "eighty-five million, eighty thousand, eight hundred thirty-four".

Divisors: 1 2 3 6 9 18 27 37 54 74 97 111 194 222 291 333 439 582 666 873 878 999 1317 1746 1998 2619 2634 3589 3951 5238 7178 7902 10767 11853 16243 21534 23706 32301 32486 42583 48729 64602 85166 96903 97458 127749 146187 193806 255498 292374 383247 438561 766494 877122 1149741 1575571 2299482 3151142 4726713 9453426 14180139 28360278 42540417 85080834