Search a number
-
+
1322023100 = 225213220231
BaseRepresentation
bin100111011001100…
…0111100010111100
310102010121201202112
41032303013202330
510201414214400
6335103313152
744522003516
oct11663074274
93363551675
101322023100
1161927a582
1230a8ab7b8
13180b791b8
14c7814bb6
157b0e0835
hex4ecc78bc

1322023100 has 18 divisors (see below), whose sum is σ = 2868790344. Its totient is φ = 528809200.

The previous prime is 1322023099. The next prime is 1322023103. The reversal of 1322023100 is 13202231.

It is a happy number.

It is a super-2 number, since 2×13220231002 = 3495490153867220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322023103) 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 5 ways as a sum of consecutive naturals, for example, 6610016 + ... + 6610215.

Almost surely, 21322023100 is an apocalyptic number.

1322023100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1322023100 is an abundant number, since it is smaller than the sum of its proper divisors (1546767244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1322023100 is a wasteful number, since it uses less digits than its factorization.

1322023100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13220245 (or 13220238 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1322023100 is about 36359.6355867327. The cubic root of 1322023100 is about 1097.5214442255.

Adding to 1322023100 its reverse (13202231), we get a palindrome (1335225331).

The spelling of 1322023100 in words is "one billion, three hundred twenty-two million, twenty-three thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 13220231 26440462 52880924 66101155 132202310 264404620 330505775 661011550 1322023100