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140099040 = 25325175997
BaseRepresentation
bin10000101100110…
…11110111100000
3100202121202202100
420112123313200
5241331132130
621522450400
73320552004
oct1026336740
9322552670
10140099040
117209a534
123ab03a00
1323043453
141486c704
15c475c60
hex859bde0

140099040 has 288 divisors, whose sum is σ = 520097760. Its totient is φ = 34209792.

The previous prime is 140099039. The next prime is 140099041. The reversal of 140099040 is 40990041.

140099040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (140099039) and next prime (140099041).

It is a tau number, because it is divible by the number of its divisors (288).

It is a junction number, because it is equal to n+sod(n) for n = 140098995 and 140099013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140099041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1444272 + ... + 1444368.

It is an arithmetic number, because the mean of its divisors is an integer number (1805895).

Almost surely, 2140099040 is an apocalyptic number.

140099040 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 140099040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260048880).

140099040 is an abundant number, since it is smaller than the sum of its proper divisors (379998720).

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

140099040 is a wasteful number, since it uses less digits than its factorization.

140099040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 140099040 is about 11836.3440301471. The cubic root of 140099040 is about 519.3718252792.

The spelling of 140099040 in words is "one hundred forty million, ninety-nine thousand, forty".