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131429088 = 2533731701
BaseRepresentation
bin1111101010101…
…11001011100000
3100011022021211000
413311113023200
5232121212323
621012552000
73154062120
oct765271340
9304267730
10131429088
116820868a
1238022600
13212c90bb
1413652c80
15b811e43
hex7d572e0

131429088 has 192 divisors, whose sum is σ = 452874240. Its totient is φ = 36288000.

The previous prime is 131429071. The next prime is 131429093. The reversal of 131429088 is 880924131.

131429088 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 187138 + ... + 187838.

It is an arithmetic number, because the mean of its divisors is an integer number (2358720).

Almost surely, 2131429088 is an apocalyptic number.

131429088 is a gapful number since it is divisible by the number (18) 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 131429088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226437120).

131429088 is an abundant number, since it is smaller than the sum of its proper divisors (321445152).

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

131429088 is a wasteful number, since it uses less digits than its factorization.

131429088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758 (or 744 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 131429088 is about 11464.2526141044. The cubic root of 131429088 is about 508.4292154410.

The spelling of 131429088 in words is "one hundred thirty-one million, four hundred twenty-nine thousand, eighty-eight".