Search a number
-
+
32770980 = 2235511613
BaseRepresentation
bin111110100000…
…0101110100100
32021122221100000
41331000232210
531342132410
63130221300
7545356134
oct175005644
967587300
1032770980
1117553360
12ab84830
136a35318
1444d0ac4
152d24dc0
hex1f40ba4

32770980 has 144 divisors (see below), whose sum is σ = 112641984. Its totient is φ = 7931520.

The previous prime is 32770961. The next prime is 32770981. The reversal of 32770980 is 8907723.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32770981) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53154 + ... + 53766.

It is an arithmetic number, because the mean of its divisors is an integer number (782236).

Almost surely, 232770980 is an apocalyptic number.

32770980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32770980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56320992).

32770980 is an abundant number, since it is smaller than the sum of its proper divisors (79871004).

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

32770980 is a wasteful number, since it uses less digits than its factorization.

32770980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648 (or 634 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 32770980 is about 5724.5943087698. The cubic root of 32770980 is about 320.0097002268.

The spelling of 32770980 in words is "thirty-two million, seven hundred seventy thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 11 12 15 18 20 22 27 30 33 36 44 45 54 55 60 66 81 90 99 108 110 132 135 162 165 180 198 220 243 270 297 324 330 396 405 486 495 540 594 613 660 810 891 972 990 1188 1215 1226 1485 1620 1782 1839 1980 2430 2452 2673 2970 3065 3564 3678 4455 4860 5346 5517 5940 6130 6743 7356 8910 9195 10692 11034 12260 13365 13486 16551 17820 18390 20229 22068 26730 26972 27585 33102 33715 36780 40458 49653 53460 55170 60687 66204 67430 80916 82755 99306 101145 110340 121374 134860 148959 165510 182061 198612 202290 242748 248265 297918 303435 331020 364122 404580 496530 546183 595836 606870 728244 744795 910305 993060 1092366 1213740 1489590 1638549 1820610 2184732 2730915 2979180 3277098 3641220 5461830 6554196 8192745 10923660 16385490 32770980