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131843630 = 2513184363
BaseRepresentation
bin1111101101111…
…00011000101110
3100012002100110102
413312330120232
5232222444010
621025511102
73160436522
oct766743056
9305070412
10131843630
1168471086
12381a2492
13214129a9
141371dd82
15b894ba5
hex7dbc62e

131843630 has 8 divisors (see below), whose sum is σ = 237318552. Its totient is φ = 52737448.

The previous prime is 131843627. The next prime is 131843707. The reversal of 131843630 is 36348131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 131843593 and 131843602.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6592172 + ... + 6592191.

It is an arithmetic number, because the mean of its divisors is an integer number (29664819).

Almost surely, 2131843630 is an apocalyptic number.

131843630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131843630 is a deficient number, since it is larger than the sum of its proper divisors (105474922).

131843630 is a wasteful number, since it uses less digits than its factorization.

131843630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13184370.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 131843630 is about 11482.3181457404. The cubic root of 131843630 is about 508.9632018974.

The spelling of 131843630 in words is "one hundred thirty-one million, eight hundred forty-three thousand, six hundred thirty".

Divisors: 1 2 5 10 13184363 26368726 65921815 131843630