Search a number
-
+
1232204140 = 22561610207
BaseRepresentation
bin100100101110001…
…1111000101101100
310011212121110022101
41021130133011230
510010421013030
6322134224444
742351363616
oct11134370554
93155543271
101232204140
11582602232
122a47b5124
1316838b79b
14b9913db6
157329c7ca
hex4971f16c

1232204140 has 12 divisors (see below), whose sum is σ = 2587628736. Its totient is φ = 492881648.

The previous prime is 1232204111. The next prime is 1232204143. The reversal of 1232204140 is 414022321.

It is a super-3 number, since 3×12322041403 (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1232204143) 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, 30805084 + ... + 30805123.

It is an arithmetic number, because the mean of its divisors is an integer number (215635728).

Almost surely, 21232204140 is an apocalyptic number.

1232204140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232204140 is an abundant number, since it is smaller than the sum of its proper divisors (1355424596).

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

1232204140 is a wasteful number, since it uses less digits than its factorization.

1232204140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61610216 (or 61610214 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1232204140 is about 35102.7654181262. The cubic root of 1232204140 is about 1072.0808895578.

Adding to 1232204140 its reverse (414022321), we get a palindrome (1646226461).

The spelling of 1232204140 in words is "one billion, two hundred thirty-two million, two hundred four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 61610207 123220414 246440828 308051035 616102070 1232204140