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100880140 = 2255044007
BaseRepresentation
bin1100000001101…
…00111100001100
321000211020112111
412000310330030
5201311131030
614002113404
72333316124
oct600647414
9230736474
10100880140
1151a42819
122994b864
1317b912ba
14d57dc84
158cca62a
hex6034f0c

100880140 has 12 divisors (see below), whose sum is σ = 211848336. Its totient is φ = 40352048.

The previous prime is 100880123. The next prime is 100880203. The reversal of 100880140 is 41088001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2521984 + ... + 2522023.

It is an arithmetic number, because the mean of its divisors is an integer number (17654028).

Almost surely, 2100880140 is an apocalyptic number.

100880140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100880140 is an abundant number, since it is smaller than the sum of its proper divisors (110968196).

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

100880140 is a wasteful number, since it uses less digits than its factorization.

100880140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5044016 (or 5044014 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 100880140 is about 10043.9105929912. The cubic root of 100880140 is about 465.5166570139.

The spelling of 100880140 in words is "one hundred million, eight hundred eighty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 5044007 10088014 20176028 25220035 50440070 100880140