Search a number
-
+
140001211 = 722987337
BaseRepresentation
bin10000101100000…
…11111110111011
3100202102210120001
420112003332323
5241320014321
621520413431
73316663540
oct1026037673
9322383501
10140001211
1172032a89
123aa77277
132300aa6c
1414844bc7
15c456c91
hex8583fbb

140001211 has 8 divisors (see below), whose sum is σ = 160701920. Its totient is φ = 119475648.

The previous prime is 140001209. The next prime is 140001221. The reversal of 140001211 is 112100041.

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

It is a cyclic number.

It is not a de Polignac number, because 140001211 - 21 = 140001209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140001221) 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, 42066 + ... + 45271.

It is an arithmetic number, because the mean of its divisors is an integer number (20087740).

Almost surely, 2140001211 is an apocalyptic number.

140001211 is a deficient number, since it is larger than the sum of its proper divisors (20700709).

140001211 is an equidigital number, since it uses as much as digits as its factorization.

140001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87573.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 140001211 is about 11832.2107401787. The cubic root of 140001211 is about 519.2509073499.

Adding to 140001211 its reverse (112100041), we get a palindrome (252101252).

The spelling of 140001211 in words is "one hundred forty million, one thousand, two hundred eleven".

Divisors: 1 7 229 1603 87337 611359 20000173 140001211