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1040320033 = 5281196993
BaseRepresentation
bin111110000000100…
…000011000100001
32200111112201210121
4332000200120201
54112310220113
6251121400241
734531401004
oct7600403041
92614481717
101040320033
11494262925
12250499081
131376b65ac
149c24553b
15614e7e8d
hex3e020621

1040320033 has 4 divisors (see below), whose sum is σ = 1040522308. Its totient is φ = 1040117760.

The previous prime is 1040320031. The next prime is 1040320079. The reversal of 1040320033 is 3300230401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 352988944 + 687331089 = 18788^2 + 26217^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040320033 - 21 = 1040320031 is a prime.

It is a super-2 number, since 2×10403200332 = 2164531542122242178, 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 = 1040319989 and 1040320016.

It is not an unprimeable number, because it can be changed into a prime (1040320031) 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, 93216 + ... + 103777.

It is an arithmetic number, because the mean of its divisors is an integer number (260130577).

Almost surely, 21040320033 is an apocalyptic number.

It is an amenable number.

1040320033 is a deficient number, since it is larger than the sum of its proper divisors (202275).

1040320033 is an equidigital number, since it uses as much as digits as its factorization.

1040320033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202274.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 1040320033 is about 32253.9925125557. The cubic root of 1040320033 is about 1013.2633176631.

Adding to 1040320033 its reverse (3300230401), we get a palindrome (4340550434).

The spelling of 1040320033 in words is "one billion, forty million, three hundred twenty thousand, thirty-three".

Divisors: 1 5281 196993 1040320033