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140310342 = 23271109789
BaseRepresentation
bin10000101110011…
…11011101000110
3100210000111121100
420113033131012
5241404412332
621531200530
73322422024
oct1027173506
9323014540
10140310342
1172224267
123aba6146
13230b8693
14148c5714
15c4b867c
hex85cf746

140310342 has 24 divisors (see below), whose sum is σ = 308290320. Its totient is φ = 46110960.

The previous prime is 140310337. The next prime is 140310343. The reversal of 140310342 is 243013041.

140310342 is a `hidden beast` number, since 14 + 0 + 310 + 342 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140310343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53617 + ... + 56172.

It is an arithmetic number, because the mean of its divisors is an integer number (12845430).

Almost surely, 2140310342 is an apocalyptic number.

140310342 is an abundant number, since it is smaller than the sum of its proper divisors (167979978).

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

140310342 is a wasteful number, since it uses less digits than its factorization.

140310342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109868 (or 109865 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 140310342 is about 11845.2666495947. The cubic root of 140310342 is about 519.6328053646.

Adding to 140310342 its reverse (243013041), we get a palindrome (383323383).

The spelling of 140310342 in words is "one hundred forty million, three hundred ten thousand, three hundred forty-two".

Divisors: 1 2 3 6 9 18 71 142 213 426 639 1278 109789 219578 329367 658734 988101 1976202 7795019 15590038 23385057 46770114 70155171 140310342