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109938480 = 2435835519
BaseRepresentation
bin1101000110110…
…00011100110000
321122212110020120
412203120130300
5211121012410
614524210240
72503314231
oct643303460
9248773216
10109938480
115706a453
1230999980
1319a13372
141085b088
1599b9570
hex68d8730

109938480 has 80 divisors (see below), whose sum is σ = 344977920. Its totient is φ = 28958464.

The previous prime is 109938463. The next prime is 109938481. The reversal of 109938480 is 84839901.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (109938481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17161 + ... + 22679.

It is an arithmetic number, because the mean of its divisors is an integer number (4312224).

Almost surely, 2109938480 is an apocalyptic number.

109938480 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 109938480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172488960).

109938480 is an abundant number, since it is smaller than the sum of its proper divisors (235039440).

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

109938480 is a wasteful number, since it uses less digits than its factorization.

109938480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5618 (or 5612 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 109938480 is about 10485.1552205964. The cubic root of 109938480 is about 479.0526453673.

The spelling of 109938480 in words is "one hundred nine million, nine hundred thirty-eight thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 83 120 166 240 249 332 415 498 664 830 996 1245 1328 1660 1992 2490 3320 3984 4980 5519 6640 9960 11038 16557 19920 22076 27595 33114 44152 55190 66228 82785 88304 110380 132456 165570 220760 264912 331140 441520 458077 662280 916154 1324560 1374231 1832308 2290385 2748462 3664616 4580770 5496924 6871155 7329232 9161540 10993848 13742310 18323080 21987696 27484620 36646160 54969240 109938480