Search a number
-
+
985688080 = 245131983601
BaseRepresentation
bin111010110000000…
…110100000010000
32112200202010211221
4322300012200100
54004314004310
6241450414424
733266132116
oct7260064020
92480663757
10985688080
11466439053
12236131414
13129298ab0
1494ca3ab6
155b805ada
hex3ac06810

985688080 has 160 divisors (see below), whose sum is σ = 2633581440. Its totient is φ = 340070400.

The previous prime is 985688071. The next prime is 985688107. The reversal of 985688080 is 80886589.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1639780 + ... + 1640380.

It is an arithmetic number, because the mean of its divisors is an integer number (16459884).

Almost surely, 2985688080 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 985688080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1316790720).

985688080 is an abundant number, since it is smaller than the sum of its proper divisors (1647893360).

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

985688080 is a wasteful number, since it uses less digits than its factorization.

985688080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729 (or 723 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 52.

The square root of 985688080 is about 31395.6697651125. The cubic root of 985688080 is about 995.2064182907.

The spelling of 985688080 in words is "nine hundred eighty-five million, six hundred eighty-eight thousand, eighty".

Divisors: 1 2 4 5 8 10 13 16 19 20 26 38 40 52 65 76 80 83 95 104 130 152 166 190 208 247 260 304 332 380 415 494 520 601 664 760 830 988 1040 1079 1202 1235 1328 1520 1577 1660 1976 2158 2404 2470 3005 3154 3320 3952 4316 4808 4940 5395 6010 6308 6640 7813 7885 8632 9616 9880 10790 11419 12020 12616 15626 15770 17264 19760 20501 21580 22838 24040 25232 31252 31540 39065 41002 43160 45676 48080 49883 57095 62504 63080 78130 82004 86320 91352 99766 102505 114190 125008 126160 148447 156260 164008 182704 199532 205010 228380 249415 296894 312520 328016 399064 410020 456760 498830 593788 625040 648479 742235 798128 820040 913520 947777 997660 1187576 1296958 1484470 1640080 1895554 1995320 2375152 2593916 2968940 3242395 3791108 3990640 4738885 5187832 5937880 6484790 7582216 9477770 10375664 11875760 12321101 12969580 15164432 18955540 24642202 25939160 37911080 49284404 51878320 61605505 75822160 98568808 123211010 197137616 246422020 492844040 985688080