Search a number
-
+
1014322231 = 13894391997
BaseRepresentation
bin111100011101010…
…101010000110111
32121200121220112001
4330131111100313
54034131302411
6244352240131
734064411446
oct7435252067
92550556461
101014322231
1148061633a
12243840047
131321b3190
14989d8d5d
155e0aedc1
hex3c755437

1014322231 has 16 divisors (see below), whose sum is σ = 1107691200. Its totient is φ = 923205888.

The previous prime is 1014322223. The next prime is 1014322261. The reversal of 1014322231 is 1322234101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1014322231 - 23 = 1014322223 is a prime.

It is a super-2 number, since 2×10143222312 = 2057699176601634722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1014322199 and 1014322208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1014322261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 506925 + ... + 508921.

It is an arithmetic number, because the mean of its divisors is an integer number (69230700).

Almost surely, 21014322231 is an apocalyptic number.

1014322231 is a deficient number, since it is larger than the sum of its proper divisors (93368969).

1014322231 is a wasteful number, since it uses less digits than its factorization.

1014322231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2538.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1014322231 is about 31848.4258794685. The cubic root of 1014322231 is about 1004.7514648250.

Adding to 1014322231 its reverse (1322234101), we get a palindrome (2336556332).

The spelling of 1014322231 in words is "one billion, fourteen million, three hundred twenty-two thousand, two hundred thirty-one".

Divisors: 1 13 89 439 1157 1997 5707 25961 39071 177733 507923 876683 2310529 11396879 78024787 1014322231