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140244501 = 3232032529
BaseRepresentation
bin10000101101111…
…11011000010101
3100202220011021210
420112333120111
5241400311001
621525532033
73322026045
oct1026773025
9322804253
10140244501
1172189851
123ab74019
1323094717
14148a9725
15c4a3dd6
hex85bf615

140244501 has 8 divisors (see below), whose sum is σ = 195122880. Its totient is φ = 89431232.

The previous prime is 140244499. The next prime is 140244521. The reversal of 140244501 is 105442041.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 140244501 - 21 = 140244499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140244521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1016196 + ... + 1016333.

It is an arithmetic number, because the mean of its divisors is an integer number (24390360).

Almost surely, 2140244501 is an apocalyptic number.

It is an amenable number.

140244501 is a deficient number, since it is larger than the sum of its proper divisors (54878379).

140244501 is a wasteful number, since it uses less digits than its factorization.

140244501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032555.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 140244501 is about 11842.4871120893. The cubic root of 140244501 is about 519.5515129571.

Adding to 140244501 its reverse (105442041), we get a palindrome (245686542).

The spelling of 140244501 in words is "one hundred forty million, two hundred forty-four thousand, five hundred one".

Divisors: 1 3 23 69 2032529 6097587 46748167 140244501