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140426880 = 27351161109
BaseRepresentation
bin10000101111010…
…11111010000000
3100210020102110120
420113223322000
5241422130010
621533500240
73323415546
oct1027537200
9323212416
10140426880
11722a3880
123b041680
1323129739
1414915d96
15c4dce70
hex85ebe80

140426880 has 256 divisors, whose sum is σ = 500860800. Its totient is φ = 33177600.

The previous prime is 140426873. The next prime is 140426893. The reversal of 140426880 is 88624041.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 1288266 + ... + 1288374.

Almost surely, 2140426880 is an apocalyptic number.

140426880 is a gapful number since it is divisible by the number (10) 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 140426880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250430400).

140426880 is an abundant number, since it is smaller than the sum of its proper divisors (360433920).

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

140426880 is a wasteful number, since it uses less digits than its factorization.

140426880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 140426880 is about 11850.1848086855. The cubic root of 140426880 is about 519.7766299016.

The spelling of 140426880 in words is "one hundred forty million, four hundred twenty-six thousand, eight hundred eighty".