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140884380 = 223357134761
BaseRepresentation
bin10000110010110…
…11100110011100
3100211002200001000
420121123212130
5242031300010
621551350300
73330332430
oct1031334634
9324080030
10140884380
117258657a
123b222390
1323259a50
14149d49c0
15c57d7c0
hex865b99c

140884380 has 384 divisors, whose sum is σ = 559964160. Its totient is φ = 28615680.

The previous prime is 140884369. The next prime is 140884397. The reversal of 140884380 is 83488041.

140884380 is a `hidden beast` number, since 140 + 88 + 438 + 0 = 666.

140884380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 127 ways as a sum of consecutive naturals, for example, 2309550 + ... + 2309610.

It is an arithmetic number, because the mean of its divisors is an integer number (1458240).

Almost surely, 2140884380 is an apocalyptic number.

140884380 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 140884380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279982080).

140884380 is an abundant number, since it is smaller than the sum of its proper divisors (419079780).

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

140884380 is a wasteful number, since it uses less digits than its factorization.

140884380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 140884380 is about 11869.4726083344. The cubic root of 140884380 is about 520.3404821409.

The spelling of 140884380 in words is "one hundred forty million, eight hundred eighty-four thousand, three hundred eighty".