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140100941 = 691202751
BaseRepresentation
bin10000101100111…
…00010101001101
3100202121212100202
420112130111031
5241331212231
621522503245
73320560361
oct1026342515
9322555322
10140100941
11720a0a02
123ab04b25
1323044286
141486d2a1
15c4765cb
hex859c54d

140100941 has 4 divisors (see below), whose sum is σ = 140304384. Its totient is φ = 139897500.

The previous prime is 140100911. The next prime is 140100949. The reversal of 140100941 is 149001041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-140100941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140100949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100685 + ... + 102066.

It is an arithmetic number, because the mean of its divisors is an integer number (35076096).

Almost surely, 2140100941 is an apocalyptic number.

It is an amenable number.

140100941 is a deficient number, since it is larger than the sum of its proper divisors (203443).

140100941 is an equidigital number, since it uses as much as digits as its factorization.

140100941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203442.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 140100941 is about 11836.4243333872. The cubic root of 140100941 is about 519.3741743825.

Adding to 140100941 its reverse (149001041), we get a palindrome (289101982).

The spelling of 140100941 in words is "one hundred forty million, one hundred thousand, nine hundred forty-one".

Divisors: 1 691 202751 140100941