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140213703 = 3779223379
BaseRepresentation
bin10000101101101…
…11110111000111
3100202211121001010
420112313313013
5241343314303
621525133303
73321540210
oct1026676707
9322747033
10140213703
11721686a3
123ab5a233
13230836b6
141489c407
15c499c03
hex85b7dc7

140213703 has 32 divisors (see below), whose sum is σ = 217907200. Its totient is φ = 78545376.

The previous prime is 140213699. The next prime is 140213707. The reversal of 140213703 is 307312041.

It is an interprime number because it is at equal distance from previous prime (140213699) and next prime (140213707).

It is not a de Polignac number, because 140213703 - 22 = 140213699 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 140213703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140213707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 369768 + ... + 370146.

It is an arithmetic number, because the mean of its divisors is an integer number (6809600).

Almost surely, 2140213703 is an apocalyptic number.

140213703 is a deficient number, since it is larger than the sum of its proper divisors (77693497).

140213703 is a wasteful number, since it uses less digits than its factorization.

140213703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 140213703 is about 11841.1867226220. The cubic root of 140213703 is about 519.5134786223.

Adding to 140213703 its reverse (307312041), we get a palindrome (447525744).

The spelling of 140213703 in words is "one hundred forty million, two hundred thirteen thousand, seven hundred three".

Divisors: 1 3 7 21 79 223 237 379 553 669 1137 1561 1659 2653 4683 7959 17617 29941 52851 84517 89823 123319 209587 253551 369957 591619 628761 1774857 6676843 20030529 46737901 140213703