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140310426 = 2323385071
BaseRepresentation
bin10000101110011…
…11011110011010
3100210000111201110
420113033132122
5241404413201
621531201150
73322422204
oct1027173632
9323014643
10140310426
1172224333
123aba61b6
13230b8729
14148c5774
15c4b86d6
hex85cf79a

140310426 has 8 divisors (see below), whose sum is σ = 280620864. Its totient is φ = 46770140.

The previous prime is 140310409. The next prime is 140310427. The reversal of 140310426 is 624013041.

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

140310426 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (140310427) 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, 11692530 + ... + 11692541.

It is an arithmetic number, because the mean of its divisors is an integer number (35077608).

Almost surely, 2140310426 is an apocalyptic number.

140310426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140310426 is a wasteful number, since it uses less digits than its factorization.

140310426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23385076.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 140310426 is about 11845.2701953142. The cubic root of 140310426 is about 519.6329090613.

Adding to 140310426 its reverse (624013041), we get a palindrome (764323467).

The spelling of 140310426 in words is "one hundred forty million, three hundred ten thousand, four hundred twenty-six".

Divisors: 1 2 3 6 23385071 46770142 70155213 140310426