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1052251841 = 1613652357
BaseRepresentation
bin111110101110000…
…001011011000001
32201022222221011102
4332232001123001
54123334024331
6252225224145
735034664424
oct7656013301
92638887142
101052251841
1149aa72423
12254492055
1313a003534
149da6d9bb
15625a34cb
hex3eb816c1

1052251841 has 4 divisors (see below), whose sum is σ = 1052905812. Its totient is φ = 1051597872.

The previous prime is 1052251813. The next prime is 1052251847. The reversal of 1052251841 is 1481522501.

1052251841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1481522501 = 9907149543.

It can be written as a sum of positive squares in 2 ways, for example, as 318979600 + 733272241 = 17860^2 + 27079^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1052251841 is a prime.

It is a super-2 number, since 2×10522518412 = 2214467873775778562, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1052251847) 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, 324566 + ... + 327791.

It is an arithmetic number, because the mean of its divisors is an integer number (263226453).

Almost surely, 21052251841 is an apocalyptic number.

It is an amenable number.

1052251841 is a deficient number, since it is larger than the sum of its proper divisors (653971).

1052251841 is an equidigital number, since it uses as much as digits as its factorization.

1052251841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653970.

The product of its (nonzero) digits is 3200, while the sum is 29.

The square root of 1052251841 is about 32438.4315434640. The cubic root of 1052251841 is about 1017.1224294392.

The spelling of 1052251841 in words is "one billion, fifty-two million, two hundred fifty-one thousand, eight hundred forty-one".

Divisors: 1 1613 652357 1052251841