Search a number
-
+
1042100331 = 3734758449
BaseRepresentation
bin111110000111010…
…011000001101011
32200121220011220120
4332013103001223
54113234202311
6251223454323
734552464246
oct7607230153
92617804816
101042100331
11495269448
12250bb73a3
13137b8aa1c
149c58a25d
156174a706
hex3e1d306b

1042100331 has 8 divisors (see below), whose sum is σ = 1408501200. Its totient is φ = 685216512.

The previous prime is 1042100327. The next prime is 1042100333. The reversal of 1042100331 is 1330012401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1042100331 - 22 = 1042100327 is a prime.

It is a super-2 number, since 2×10421003312 = 2171946199740619122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1042100331.

It is not an unprimeable number, because it can be changed into a prime (1042100333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2379006 + ... + 2379443.

It is an arithmetic number, because the mean of its divisors is an integer number (176062650).

Almost surely, 21042100331 is an apocalyptic number.

1042100331 is a deficient number, since it is larger than the sum of its proper divisors (366400869).

1042100331 is an equidigital number, since it uses as much as digits as its factorization.

1042100331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4758525.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1042100331 is about 32281.5788182672. The cubic root of 1042100331 is about 1013.8409868957.

Adding to 1042100331 its reverse (1330012401), we get a palindrome (2372112732).

The spelling of 1042100331 in words is "one billion, forty-two million, one hundred thousand, three hundred thirty-one".

Divisors: 1 3 73 219 4758449 14275347 347366777 1042100331