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140552413 = 178267789
BaseRepresentation
bin10000110000010…
…10100011011101
3100210110210122221
420120022203131
5241440134123
621540305341
73324450541
oct1030124335
9323423587
10140552413
117237a121
123b0a2251
1323171911
1414949a21
15c51525d
hex860a8dd

140552413 has 4 divisors (see below), whose sum is σ = 148820220. Its totient is φ = 132284608.

The previous prime is 140552369. The next prime is 140552417. The reversal of 140552413 is 314255041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 71944324 + 68608089 = 8482^2 + 8283^2 .

It is a cyclic number.

It is not a de Polignac number, because 140552413 - 217 = 140421341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140552417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4133878 + ... + 4133911.

It is an arithmetic number, because the mean of its divisors is an integer number (37205055).

Almost surely, 2140552413 is an apocalyptic number.

It is an amenable number.

140552413 is a deficient number, since it is larger than the sum of its proper divisors (8267807).

140552413 is an equidigital number, since it uses as much as digits as its factorization.

140552413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8267806.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 140552413 is about 11855.4802939400. The cubic root of 140552413 is about 519.9314665597.

The spelling of 140552413 in words is "one hundred forty million, five hundred fifty-two thousand, four hundred thirteen".

Divisors: 1 17 8267789 140552413