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140042703 = 3421110881
BaseRepresentation
bin10000101100011…
…10000111001111
3100202111220110210
420112032013033
5241322331303
621521333503
73320225523
oct1026160717
9322456423
10140042703
1172061179
123aa97293
1323023908
1414855d83
15c464203
hex858e1cf

140042703 has 8 divisors (see below), whose sum is σ = 187168816. Its totient is φ = 93139200.

The previous prime is 140042687. The next prime is 140042713. The reversal of 140042703 is 307240041.

140042703 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 140042703 - 24 = 140042687 is a prime.

It is a super-2 number, since 2×1400427032 = 39223917327092418, which contains 22 as substring.

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 140042703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140042713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54178 + ... + 56703.

It is an arithmetic number, because the mean of its divisors is an integer number (23396102).

Almost surely, 2140042703 is an apocalyptic number.

140042703 is a deficient number, since it is larger than the sum of its proper divisors (47126113).

140042703 is a wasteful number, since it uses less digits than its factorization.

140042703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111305.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 140042703 is about 11833.9639597220. The cubic root of 140042703 is about 519.3021988839.

Adding to 140042703 its reverse (307240041), we get a palindrome (447282744).

The spelling of 140042703 in words is "one hundred forty million, forty-two thousand, seven hundred three".

Divisors: 1 3 421 1263 110881 332643 46680901 140042703