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140481000 = 23335311243
BaseRepresentation
bin10000101111110…
…01000111101000
3100210100011201000
420113321013220
5241430343000
621534555000
73324032412
oct1027710750
9323304630
10140481000
1172330500
123b068a60
132314826a
141492b9b2
15c4ee000
hex85f91e8

140481000 has 384 divisors, whose sum is σ = 547747200. Its totient is φ = 33264000.

The previous prime is 140480999. The next prime is 140481023. The reversal of 140481000 is 184041.

140481000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1404810002 = 39469822722000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3266979 + ... + 3267021.

It is an arithmetic number, because the mean of its divisors is an integer number (1426425).

Almost surely, 2140481000 is an apocalyptic number.

140481000 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 140481000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273873600).

140481000 is an abundant number, since it is smaller than the sum of its proper divisors (407266200).

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

140481000 is a wasteful number, since it uses less digits than its factorization.

140481000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 140481000 is about 11852.4680974049. The cubic root of 140481000 is about 519.8433946554.

The spelling of 140481000 in words is "one hundred forty million, four hundred eighty-one thousand".