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1030052455 = 5206010491
BaseRepresentation
bin111101011001010…
…101101001100111
32122210020002022221
4331121111221213
54102143134310
6250113333211
734345205245
oct7531255147
92583202287
101030052455
1148948a723
12248b67207
1313552ccc3
149ab31795
156066aada
hex3d655a67

1030052455 has 4 divisors (see below), whose sum is σ = 1236062952. Its totient is φ = 824041960.

The previous prime is 1030052449. The next prime is 1030052459. The reversal of 1030052455 is 5542500301.

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

It is not a de Polignac number, because 1030052455 - 29 = 1030051943 is a prime.

It is a super-2 number, since 2×10300524552 = 2122016120103054050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030052459) 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, 103005241 + ... + 103005250.

It is an arithmetic number, because the mean of its divisors is an integer number (309015738).

Almost surely, 21030052455 is an apocalyptic number.

1030052455 is a deficient number, since it is larger than the sum of its proper divisors (206010497).

1030052455 is an equidigital number, since it uses as much as digits as its factorization.

1030052455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206010496.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 1030052455 is about 32094.4302800346. The cubic root of 1030052455 is about 1009.9187775745.

Adding to 1030052455 its reverse (5542500301), we get a palindrome (6572552756).

The spelling of 1030052455 in words is "one billion, thirty million, fifty-two thousand, four hundred fifty-five".

Divisors: 1 5 206010491 1030052455