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100616540 = 225171392129
BaseRepresentation
bin1011111111101…
…00100101011100
321000022211221112
411333310211130
5201224212130
613552321152
72331140453
oct577644534
9230284845
10100616540
1151882772
12298431b8
1317acb31b
14d511b9a
158c77495
hex5ff495c

100616540 has 48 divisors (see below), whose sum is σ = 225439200. Its totient is φ = 37588992.

The previous prime is 100616539. The next prime is 100616543. The reversal of 100616540 is 45616001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100616543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46196 + ... + 48324.

It is an arithmetic number, because the mean of its divisors is an integer number (4696650).

Almost surely, 2100616540 is an apocalyptic number.

100616540 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 100616540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112719600).

100616540 is an abundant number, since it is smaller than the sum of its proper divisors (124822660).

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

100616540 is a wasteful number, since it uses less digits than its factorization.

100616540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2294 (or 2292 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 100616540 is about 10030.7796307166. The cubic root of 100616540 is about 465.1108380329.

The spelling of 100616540 in words is "one hundred million, six hundred sixteen thousand, five hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 139 170 278 340 556 695 1390 2129 2363 2780 4258 4726 8516 9452 10645 11815 21290 23630 36193 42580 47260 72386 144772 180965 295931 361930 591862 723860 1183724 1479655 2959310 5030827 5918620 10061654 20123308 25154135 50308270 100616540