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140310001 = 1310793077
BaseRepresentation
bin10000101110011…
…11010111110001
3100210000111010201
420113033113301
5241404410001
621531155201
73322421026
oct1027172761
9323014121
10140310001
1172223a87
123aba5b01
13230b8490
14148c554d
15c4b8501
hex85cf5f1

140310001 has 4 divisors (see below), whose sum is σ = 151103092. Its totient is φ = 129516912.

The previous prime is 140309977. The next prime is 140310007. The reversal of 140310001 is 100013041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100013041 = 433230977.

It can be written as a sum of positive squares in 2 ways, for example, as 84658401 + 55651600 = 9201^2 + 7460^2 .

It is a cyclic number.

It is not a de Polignac number, because 140310001 - 29 = 140309489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140310001.

It is not an unprimeable number, because it can be changed into a prime (140310007) 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, 5396526 + ... + 5396551.

It is an arithmetic number, because the mean of its divisors is an integer number (37775773).

Almost surely, 2140310001 is an apocalyptic number.

It is an amenable number.

140310001 is a deficient number, since it is larger than the sum of its proper divisors (10793091).

140310001 is a wasteful number, since it uses less digits than its factorization.

140310001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10793090.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 140310001 is about 11845.2522556508. The cubic root of 140310001 is about 519.6323844050.

Adding to 140310001 its reverse (100013041), we get a palindrome (240323042).

The spelling of 140310001 in words is "one hundred forty million, three hundred ten thousand, one".

Divisors: 1 13 10793077 140310001