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140805504 = 2732719919
BaseRepresentation
bin10000110010010…
…00010110000000
3100210221122211200
420121020112000
5242021234004
621545541200
73326553450
oct1031102600
9323848750
10140805504
1172532294
123b1a4800
132322cb88
14149b3d60
15c565239
hex8648580

140805504 has 192 divisors, whose sum is σ = 487968000. Its totient is φ = 38071296.

The previous prime is 140805499. The next prime is 140805541. The reversal of 140805504 is 405508041.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152757 + ... + 153675.

It is an arithmetic number, because the mean of its divisors is an integer number (2541500).

Almost surely, 2140805504 is an apocalyptic number.

140805504 is a gapful number since it is divisible by the number (14) 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 140805504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243984000).

140805504 is an abundant number, since it is smaller than the sum of its proper divisors (347162496).

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

140805504 is a wasteful number, since it uses less digits than its factorization.

140805504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965 (or 950 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 140805504 is about 11866.1495018393. The cubic root of 140805504 is about 520.2433574925.

The spelling of 140805504 in words is "one hundred forty million, eight hundred five thousand, five hundred four".