Search a number
-
+
109212960 = 2535472103
BaseRepresentation
bin1101000001001…
…11010100100000
321121111121000110
412200213110200
5210424303320
614500451320
72464203063
oct640472440
9247447013
10109212960
115671434a
12306a9b40
131981b06c
141070c8da
1598c45e0
hex6827520

109212960 has 144 divisors (see below), whose sum is σ = 354908736. Its totient is φ = 28227072.

The previous prime is 109212959. The next prime is 109212973. The reversal of 109212960 is 69212901.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1060269 + ... + 1060371.

It is an arithmetic number, because the mean of its divisors is an integer number (2464644).

Almost surely, 2109212960 is an apocalyptic number.

109212960 is a gapful number since it is divisible by the number (10) 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 109212960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177454368).

109212960 is an abundant number, since it is smaller than the sum of its proper divisors (245695776).

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

109212960 is a wasteful number, since it uses less digits than its factorization.

109212960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 109212960 is about 10450.5004664848. The cubic root of 109212960 is about 477.9965103064.

The spelling of 109212960 in words is "one hundred nine million, two hundred twelve thousand, nine hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 47 48 60 80 94 96 103 120 141 160 188 206 235 240 282 309 376 412 470 480 515 564 618 705 752 824 940 1030 1128 1236 1410 1504 1545 1648 1880 2060 2209 2256 2472 2820 3090 3296 3760 4120 4418 4512 4841 4944 5640 6180 6627 7520 8240 8836 9682 9888 11045 11280 12360 13254 14523 16480 17672 19364 22090 22560 24205 24720 26508 29046 33135 35344 38728 44180 48410 49440 53016 58092 66270 70688 72615 77456 88360 96820 106032 116184 132540 145230 154912 176720 193640 212064 227527 232368 265080 290460 353440 387280 455054 464736 530160 580920 682581 774560 910108 1060320 1137635 1161840 1365162 1820216 2275270 2323680 2730324 3412905 3640432 4550540 5460648 6825810 7280864 9101080 10921296 13651620 18202160 21842592 27303240 36404320 54606480 109212960