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140244338 = 2139915443
BaseRepresentation
bin10000101101111…
…11010101110010
3100202220011001202
420112333111302
5241400304323
621525531202
73322025423
oct1026772562
9322804052
10140244338
1172189713
123ab73b02
1323094620
14148a964a
15c4a3d28
hex85bf572

140244338 has 16 divisors (see below), whose sum is σ = 226818816. Its totient is φ = 64650960.

The previous prime is 140244337. The next prime is 140244347. The reversal of 140244338 is 833442041.

It is a self number, because there is not a number n which added to its sum of digits gives 140244338.

It is not an unprimeable number, because it can be changed into a prime (140244337) 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, 23045 + ... + 28487.

It is an arithmetic number, because the mean of its divisors is an integer number (14176176).

Almost surely, 2140244338 is an apocalyptic number.

140244338 is a deficient number, since it is larger than the sum of its proper divisors (86574478).

140244338 is a wasteful number, since it uses less digits than its factorization.

140244338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6449.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 140244338 is about 11842.4802300869. The cubic root of 140244338 is about 519.5513116731.

Adding to 140244338 its reverse (833442041), we get a palindrome (973686379).

The spelling of 140244338 in words is "one hundred forty million, two hundred forty-four thousand, three hundred thirty-eight".

Divisors: 1 2 13 26 991 1982 5443 10886 12883 25766 70759 141518 5394013 10788026 70122169 140244338