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BaseRepresentation
bin10000101110000…
…01110100011000
3100202220122222200
420113001310120
5241401120423
621530050200
73322100133
oct1027016430
9322818880
10140254488
1172196300
123ab79960
132309912a
15c4a6d43
hex85c1d18

140254488 has 144 divisors (see below), whose sum is σ = 442554840. Its totient is φ = 39959040.

The previous prime is 140254463. The next prime is 140254501. The reversal of 140254488 is 884452041.

It is a super-3 number, since 3×1402544883 (a number of 25 digits) contains 333 as substring.

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 (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 147631 + ... + 148577.

Almost surely, 2140254488 is an apocalyptic number.

140254488 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 140254488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221277420).

140254488 is an abundant number, since it is smaller than the sum of its proper divisors (302300352).

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

140254488 is a wasteful number, since it uses less digits than its factorization.

140254488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998 (or 980 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 36.

The square root of 140254488 is about 11842.9087643197. The cubic root of 140254488 is about 519.5638453190.

The spelling of 140254488 in words is "one hundred forty million, two hundred fifty-four thousand, four hundred eighty-eight".