Search a number
-
+
1402230243 = 329151106739
BaseRepresentation
bin101001110010100…
…0101010111100011
310121201112200021110
41103211011113203
510332432331433
6351050354403
746514521551
oct12345052743
93551480243
101402230243
1165a582377
1233172ba03
1319467c94b
14d4332bd1
1583185963
hex539455e3

1402230243 has 16 divisors (see below), whose sum is σ = 1946937600. Its totient is φ = 896599200.

The previous prime is 1402230239. The next prime is 1402230253. The reversal of 1402230243 is 3420322041.

It is not a de Polignac number, because 1402230243 - 22 = 1402230239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1402230253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40233 + ... + 66506.

It is an arithmetic number, because the mean of its divisors is an integer number (121683600).

Almost surely, 21402230243 is an apocalyptic number.

1402230243 is a deficient number, since it is larger than the sum of its proper divisors (544707357).

1402230243 is a wasteful number, since it uses less digits than its factorization.

1402230243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106922.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1402230243 is about 37446.3648836573. The cubic root of 1402230243 is about 1119.2826622029.

Adding to 1402230243 its reverse (3420322041), we get a palindrome (4822552284).

The spelling of 1402230243 in words is "one billion, four hundred two million, two hundred thirty thousand, two hundred forty-three".

Divisors: 1 3 29 87 151 453 4379 13137 106739 320217 3095431 9286293 16117589 48352767 467410081 1402230243