Search a number
-
+
1354222331 = 711112315661
BaseRepresentation
bin101000010110111…
…1100101011111011
310111101012121210122
41100231330223323
510233140103311
6342213403455
745362462030
oct12055745373
93441177718
101354222331
11635472310
1231963958b
131877411b7
14cbbd7387
157dd510db
hex50b7cafb

1354222331 has 16 divisors (see below), whose sum is σ = 1689992448. Its totient is φ = 1054231200.

The previous prime is 1354222319. The next prime is 1354222351. The reversal of 1354222331 is 1332224531.

It is a happy number.

It is not a de Polignac number, because 1354222331 - 210 = 1354221307 is a prime.

It is a super-2 number, since 2×13542223312 = 3667836243558147122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1354222331.

It is not an unprimeable number, because it can be changed into a prime (1354222351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78641 + ... + 94301.

It is an arithmetic number, because the mean of its divisors is an integer number (105624528).

Almost surely, 21354222331 is an apocalyptic number.

1354222331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1354222331 is a deficient number, since it is larger than the sum of its proper divisors (335770117).

1354222331 is a wasteful number, since it uses less digits than its factorization.

1354222331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16802.

The product of its digits is 4320, while the sum is 26.

The square root of 1354222331 is about 36799.7599312822. The cubic root of 1354222331 is about 1106.3604874761.

Adding to 1354222331 its reverse (1332224531), we get a palindrome (2686446862).

The spelling of 1354222331 in words is "one billion, three hundred fifty-four million, two hundred twenty-two thousand, three hundred thirty-one".

Divisors: 1 7 11 77 1123 7861 12353 15661 86471 109627 172271 1205897 17587303 123111121 193460333 1354222331