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1040052131 = 8915237673
BaseRepresentation
bin111101111111011…
…110111110100011
32200111001010022022
4331333132332203
54112223132011
6251111532055
734526203646
oct7577367643
92614033268
101040052131
1149409a618
1225038a02b
13137621681
149c1b5a5d
15614938db
hex3dfdefa3

1040052131 has 8 divisors (see below), whose sum is σ = 1052565840. Its totient is φ = 1027556992.

The previous prime is 1040052121. The next prime is 1040052151. The reversal of 1040052131 is 1312500401.

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

It is a cyclic number.

It is not a de Polignac number, because 1040052131 - 26 = 1040052067 is a prime.

It is a super-2 number, since 2×10400521312 = 2163416870395282322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1040052121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131711 + ... + 139383.

It is an arithmetic number, because the mean of its divisors is an integer number (131570730).

Almost surely, 21040052131 is an apocalyptic number.

1040052131 is a deficient number, since it is larger than the sum of its proper divisors (12513709).

1040052131 is an equidigital number, since it uses as much as digits as its factorization.

1040052131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9285.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1040052131 is about 32249.8392399094. The cubic root of 1040052131 is about 1013.1763320671.

Adding to 1040052131 its reverse (1312500401), we get a palindrome (2352552532).

The spelling of 1040052131 in words is "one billion, forty million, fifty-two thousand, one hundred thirty-one".

Divisors: 1 89 1523 7673 135547 682897 11685979 1040052131