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109062144 = 211326197
BaseRepresentation
bin1101000000000…
…10100000000000
321121012221010200
412200002200000
5210404442034
614453325200
72463004302
oct640024000
9247187120
10109062144
1156621004
1230636800
1319797519
14106ad972
159894a99
hex6802800

109062144 has 144 divisors (see below), whose sum is σ = 323455860. Its totient is φ = 35389440.

The previous prime is 109062143. The next prime is 109062167. The reversal of 109062144 is 441260901.

It can be written as a sum of positive squares in 2 ways, for example, as 97772544 + 11289600 = 9888^2 + 3360^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (109062143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1124304 + ... + 1124400.

Almost surely, 2109062144 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 109062144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161727930).

109062144 is an abundant number, since it is smaller than the sum of its proper divisors (214393716).

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

109062144 is an equidigital number, since it uses as much as digits as its factorization.

109062144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 109062144 is about 10443.2822426668. The cubic root of 109062144 is about 477.7763815756.

The spelling of 109062144 in words is "one hundred nine million, sixty-two thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 61 64 72 96 97 122 128 144 183 192 194 244 256 288 291 366 384 388 488 512 549 576 582 732 768 776 873 976 1024 1098 1152 1164 1464 1536 1552 1746 1952 2048 2196 2304 2328 2928 3072 3104 3492 3904 4392 4608 4656 5856 5917 6144 6208 6984 7808 8784 9216 9312 11712 11834 12416 13968 15616 17568 17751 18432 18624 23424 23668 24832 27936 31232 35136 35502 37248 46848 47336 49664 53253 55872 62464 70272 71004 74496 93696 94672 99328 106506 111744 124928 140544 142008 148992 187392 189344 198656 213012 223488 281088 284016 297984 374784 378688 426024 446976 562176 568032 595968 757376 852048 893952 1124352 1136064 1514752 1704096 1787904 2272128 3029504 3408192 4544256 6059008 6816384 9088512 12118016 13632768 18177024 27265536 36354048 54531072 109062144