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140103401 = 614322807
BaseRepresentation
bin10000101100111…
…00111011101001
3100202121222201212
420112130323221
5241331302101
621522522505
73320600504
oct1026347351
9322558655
10140103401
11720a2839
123ab06435
1323045429
141487013b
15c4771bb
hex859cee9

140103401 has 4 divisors (see below), whose sum is σ = 140132352. Its totient is φ = 140074452.

The previous prime is 140103361. The next prime is 140103451. The reversal of 140103401 is 104301041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104301041 = 138023157.

It is a cyclic number.

It is not a de Polignac number, because 140103401 - 210 = 140102377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140103451) 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, 5261 + ... + 17546.

It is an arithmetic number, because the mean of its divisors is an integer number (35033088).

Almost surely, 2140103401 is an apocalyptic number.

It is an amenable number.

140103401 is a deficient number, since it is larger than the sum of its proper divisors (28951).

140103401 is an equidigital number, since it uses as much as digits as its factorization.

140103401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28950.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 140103401 is about 11836.5282494488. The cubic root of 140103401 is about 519.3772142217.

Adding to 140103401 its reverse (104301041), we get a palindrome (244404442).

The spelling of 140103401 in words is "one hundred forty million, one hundred three thousand, four hundred one".

Divisors: 1 6143 22807 140103401