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140310441 = 3324121563
BaseRepresentation
bin10000101110011…
…11011110101001
3100210000111202000
420113033132221
5241404413231
621531201213
73322422225
oct1027173651
9323014660
10140310441
1172224347
123aba6209
13230b873b
14148c5785
15c4b86e6
hex85cf7a9

140310441 has 16 divisors (see below), whose sum is σ = 208739520. Its totient is φ = 93147840.

The previous prime is 140310427. The next prime is 140310473. The reversal of 140310441 is 144013041.

It is not a de Polignac number, because 140310441 - 25 = 140310409 is a prime.

It is a super-2 number, since 2×1403104412 = 39374039707228962, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (140310641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4275 + ... + 17288.

It is an arithmetic number, because the mean of its divisors is an integer number (13046220).

Almost surely, 2140310441 is an apocalyptic number.

It is an amenable number.

140310441 is a deficient number, since it is larger than the sum of its proper divisors (68429079).

140310441 is a wasteful number, since it uses less digits than its factorization.

140310441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21813 (or 21807 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 140310441 is about 11845.2708284783. The cubic root of 140310441 is about 519.6329275785.

Adding to 140310441 its reverse (144013041), we get a palindrome (284323482).

The spelling of 140310441 in words is "one hundred forty million, three hundred ten thousand, four hundred forty-one".

Divisors: 1 3 9 27 241 723 2169 6507 21563 64689 194067 582201 5196683 15590049 46770147 140310441