Search a number
-
+
1401531214 = 23718939611
BaseRepresentation
bin101001110001001…
…1010101101001110
310121200020011101111
41103202122231032
510332242444324
6351023402234
746505550556
oct12342325516
93550204344
101401531214
1165a145166
1233145337a
13194496715
14d41d0166
1583098794
hex5389ab4e

1401531214 has 8 divisors (see below), whose sum is σ = 2159115768. Its totient is φ = 681825960.

The previous prime is 1401531193. The next prime is 1401531217. The reversal of 1401531214 is 4121351041.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401531217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9469732 + ... + 9469879.

It is an arithmetic number, because the mean of its divisors is an integer number (269889471).

Almost surely, 21401531214 is an apocalyptic number.

1401531214 is a deficient number, since it is larger than the sum of its proper divisors (757584554).

1401531214 is a wasteful number, since it uses less digits than its factorization.

1401531214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18939650.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1401531214 is about 37437.0299836940. The cubic root of 1401531214 is about 1119.0966392361.

Adding to 1401531214 its reverse (4121351041), we get a palindrome (5522882255).

The spelling of 1401531214 in words is "one billion, four hundred one million, five hundred thirty-one thousand, two hundred fourteen".

Divisors: 1 2 37 74 18939611 37879222 700765607 1401531214