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109987752 = 2337331431
BaseRepresentation
bin1101000111001…
…00011110101000
321122221221211110
412203210132220
5211124102002
614525230320
72503611000
oct643443650
9248857743
10109987752
11570a3476
1230a023a0
1319a2c914
1410871000
1599c8e6c
hex68e47a8

109987752 has 128 divisors (see below), whose sum is σ = 331776000. Its totient is φ = 30340800.

The previous prime is 109987747. The next prime is 109987753. The reversal of 109987752 is 257789901.

It is not an unprimeable number, because it can be changed into a prime (109987753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254977 + ... + 255407.

It is an arithmetic number, because the mean of its divisors is an integer number (2592000).

Almost surely, 2109987752 is an apocalyptic number.

109987752 is a gapful number since it is divisible by the number (12) 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 109987752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165888000).

109987752 is an abundant number, since it is smaller than the sum of its proper divisors (221788248).

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

109987752 is a wasteful number, since it uses less digits than its factorization.

109987752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 48.

The square root of 109987752 is about 10487.5045649573. The cubic root of 109987752 is about 479.1242016188.

The spelling of 109987752 in words is "one hundred nine million, nine hundred eighty-seven thousand, seven hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 31 42 49 56 62 84 93 98 124 147 168 186 196 217 248 294 343 372 392 431 434 588 651 686 744 862 868 1029 1176 1293 1302 1372 1519 1724 1736 2058 2586 2604 2744 3017 3038 3448 4116 4557 5172 5208 6034 6076 8232 9051 9114 10344 10633 12068 12152 13361 18102 18228 21119 21266 24136 26722 31899 36204 36456 40083 42238 42532 53444 63357 63798 72408 80166 84476 85064 93527 106888 126714 127596 147833 160332 168952 187054 253428 255192 280581 295666 320664 374108 443499 506856 561162 591332 654689 748216 886998 1122324 1182664 1309378 1773996 1964067 2244648 2618756 3547992 3928134 4582823 5237512 7856268 9165646 13748469 15712536 18331292 27496938 36662584 54993876 109987752