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140954688 = 2633743271
BaseRepresentation
bin10000110011011…
…00110001000000
3100211020020111000
420121230301000
5242041022223
621553052000
73331044420
oct1031546100
9324206430
10140954688
1172624386
123b257000
1323282a54
1414a12480
15c594543
hex866cc40

140954688 has 224 divisors, whose sum is σ = 486379520. Its totient is φ = 39191040.

The previous prime is 140954683. The next prime is 140954689. The reversal of 140954688 is 886459041.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (140954683) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 519993 + ... + 520263.

Almost surely, 2140954688 is an apocalyptic number.

140954688 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 140954688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243189760).

140954688 is an abundant number, since it is smaller than the sum of its proper divisors (345424832).

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

140954688 is a wasteful number, since it uses less digits than its factorization.

140954688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 140954688 is about 11872.4339543330. The cubic root of 140954688 is about 520.4270259545.

The spelling of 140954688 in words is "one hundred forty million, nine hundred fifty-four thousand, six hundred eighty-eight".