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1400221201 = 17791042607
BaseRepresentation
bin101001101110101…
…1010111000010001
310121120202121101111
41103131122320101
510331424034301
6350535333321
746461453361
oct12335327021
93546677344
101400221201
1165942aa05
12330b21241
13194128372
14d3d6c9a1
1582dda551
hex5375ae11

1400221201 has 8 divisors (see below), whose sum is σ = 1501355520. Its totient is φ = 1301172288.

The previous prime is 1400221159. The next prime is 1400221213. The reversal of 1400221201 is 1021220041.

It is a happy number.

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 1400221201 - 27 = 1400221073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400221231) 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, 519961 + ... + 522646.

It is an arithmetic number, because the mean of its divisors is an integer number (187669440).

Almost surely, 21400221201 is an apocalyptic number.

It is an amenable number.

1400221201 is a deficient number, since it is larger than the sum of its proper divisors (101134319).

1400221201 is a wasteful number, since it uses less digits than its factorization.

1400221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042703.

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

The square root of 1400221201 is about 37419.5296736878. The cubic root of 1400221201 is about 1118.7478568626.

Adding to 1400221201 its reverse (1021220041), we get a palindrome (2421441242).

The spelling of 1400221201 in words is "one billion, four hundred million, two hundred twenty-one thousand, two hundred one".

Divisors: 1 17 79 1343 1042607 17724319 82365953 1400221201