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131834140 = 2256591707
BaseRepresentation
bin1111101101110…
…10000100011100
3100012001212102221
413312322010130
5232222143030
621025355124
73160400044
oct766720434
9305055387
10131834140
1168464a39
1238198aa4
132140b589
141371a724
15b891e7a
hex7dba11c

131834140 has 12 divisors (see below), whose sum is σ = 276851736. Its totient is φ = 52733648.

The previous prime is 131834123. The next prime is 131834159. The reversal of 131834140 is 41438131.

131834140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3295834 + ... + 3295873.

It is an arithmetic number, because the mean of its divisors is an integer number (23070978).

Almost surely, 2131834140 is an apocalyptic number.

131834140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131834140 is an abundant number, since it is smaller than the sum of its proper divisors (145017596).

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

131834140 is a wasteful number, since it uses less digits than its factorization.

131834140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6591716 (or 6591714 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 131834140 is about 11481.9048942238. The cubic root of 131834140 is about 508.9509900151.

The spelling of 131834140 in words is "one hundred thirty-one million, eight hundred thirty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 6591707 13183414 26366828 32958535 65917070 131834140