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140031042 = 23101323039
BaseRepresentation
bin10000101100010…
…11010001000010
3100202111022110220
420112023101002
5241321443132
621521203510
73320146524
oct1026132102
9322438426
10140031042
1172053438
123aa90596
132301b508
1414851a14
15c460a2c
hex858b442

140031042 has 16 divisors (see below), whose sum is σ = 280350720. Its totient is φ = 46628912.

The previous prime is 140031037. The next prime is 140031071. The reversal of 140031042 is 240130041.

140031042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5442 + ... + 17597.

It is an arithmetic number, because the mean of its divisors is an integer number (17521920).

Almost surely, 2140031042 is an apocalyptic number.

140031042 is an abundant number, since it is smaller than the sum of its proper divisors (140319678).

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

140031042 is a wasteful number, since it uses less digits than its factorization.

140031042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24057.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 140031042 is about 11833.4712574122. The cubic root of 140031042 is about 519.2877848256.

Adding to 140031042 its reverse (240130041), we get a palindrome (380161083).

The spelling of 140031042 in words is "one hundred forty million, thirty-one thousand, forty-two".

Divisors: 1 2 3 6 1013 2026 3039 6078 23039 46078 69117 138234 23338507 46677014 70015521 140031042