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140401201 = 314529071
BaseRepresentation
bin10000101111001…
…01101000110001
3100210012010020111
420113211220301
5241420314301
621533141321
73323250643
oct1027455061
9323163214
10140401201
1172286556
123b02a841
132311ab45
141490a893
15c4d5551
hex85e5a31

140401201 has 4 divisors (see below), whose sum is σ = 144930304. Its totient is φ = 135872100.

The previous prime is 140401189. The next prime is 140401207. The reversal of 140401201 is 102104041.

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 not a de Polignac number, because 140401201 - 25 = 140401169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140401207) 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, 2264505 + ... + 2264566.

It is an arithmetic number, because the mean of its divisors is an integer number (36232576).

Almost surely, 2140401201 is an apocalyptic number.

It is an amenable number.

140401201 is a deficient number, since it is larger than the sum of its proper divisors (4529103).

140401201 is an equidigital number, since it uses as much as digits as its factorization.

140401201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4529102.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 140401201 is about 11849.1012739363. The cubic root of 140401201 is about 519.7449451849.

Adding to 140401201 its reverse (102104041), we get a palindrome (242505242).

The spelling of 140401201 in words is "one hundred forty million, four hundred one thousand, two hundred one".

Divisors: 1 31 4529071 140401201