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141920140 = 22560111807
BaseRepresentation
bin10000111010110…
…00011110001100
3100220001021211111
420131120132030
5242312421030
622025501404
73342205225
oct1035303614
9326037744
10141920140
117312377a
123b641864
132353031b
1414bc424c
15c6d562a
hex875878c

141920140 has 24 divisors (see below), whose sum is σ = 298553472. Its totient is φ = 56668800.

The previous prime is 141920083. The next prime is 141920153. The reversal of 141920140 is 41029141.

It is a super-2 number, since 2×1419201402 = 40282652275239200, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6117 + ... + 17923.

It is an arithmetic number, because the mean of its divisors is an integer number (12439728).

Almost surely, 2141920140 is an apocalyptic number.

141920140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141920140 is an abundant number, since it is smaller than the sum of its proper divisors (156633332).

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

141920140 is a wasteful number, since it uses less digits than its factorization.

141920140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12417 (or 12415 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 141920140 is about 11913.0239653918. The cubic root of 141920140 is about 521.6125239679.

Adding to 141920140 its reverse (41029141), we get a palindrome (182949281).

The spelling of 141920140 in words is "one hundred forty-one million, nine hundred twenty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 601 1202 2404 3005 6010 11807 12020 23614 47228 59035 118070 236140 7096007 14192014 28384028 35480035 70960070 141920140