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140152461 = 3311150217
BaseRepresentation
bin10000101101010…
…00111010001101
3100202201111000220
420112220322031
5241334334321
621523541553
73321163521
oct1026507215
9322644026
10140152461
1172126689
123ab2a8b9
1323061867
1414883d81
15c4869c6
hex85a8e8d

140152461 has 8 divisors (see below), whose sum is σ = 187472064. Its totient is φ = 93133920.

The previous prime is 140152451. The next prime is 140152469. The reversal of 140152461 is 164251041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140152461 - 25 = 140152429 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140152469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74176 + ... + 76041.

It is an arithmetic number, because the mean of its divisors is an integer number (23434008).

Almost surely, 2140152461 is an apocalyptic number.

It is an amenable number.

140152461 is a deficient number, since it is larger than the sum of its proper divisors (47319603).

140152461 is a wasteful number, since it uses less digits than its factorization.

140152461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150531.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 140152461 is about 11838.6004662713. The cubic root of 140152461 is about 519.4378305768.

The spelling of 140152461 in words is "one hundred forty million, one hundred fifty-two thousand, four hundred sixty-one".

Divisors: 1 3 311 933 150217 450651 46717487 140152461