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140519808 = 27321113853
BaseRepresentation
bin10000110000000…
…10100110000000
3100210102010221100
420120002212000
5241433113213
621535454400
73324253512
oct1030024600
9323363840
10140519808
1172357680
123b087400
132315cb20
141493bbb2
15c50a773
hex8602980

140519808 has 192 divisors, whose sum is σ = 475609680. Its totient is φ = 39260160.

The previous prime is 140519791. The next prime is 140519831. The reversal of 140519808 is 808915041.

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

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 pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 164310 + ... + 165162.

Almost surely, 2140519808 is an apocalyptic number.

140519808 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 140519808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237804840).

140519808 is an abundant number, since it is smaller than the sum of its proper divisors (335089872).

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

140519808 is a wasteful number, since it uses less digits than its factorization.

140519808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897 (or 882 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 140519808 is about 11854.1051117324. The cubic root of 140519808 is about 519.8912593134.

The spelling of 140519808 in words is "one hundred forty million, five hundred nineteen thousand, eight hundred eight".