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10552345 = 52110469
BaseRepresentation
bin101000010000…
…010000011001
3201212010002121
4220100100121
510200133340
61014101241
7155456566
oct50202031
921763077
1010552345
115a58151
12364a821
1322560bb
14158986d
15dd694a
hexa10419

10552345 has 4 divisors (see below), whose sum is σ = 12662820. Its totient is φ = 8441872.

The previous prime is 10552343. The next prime is 10552357. The reversal of 10552345 is 54325501.

10552345 is digitally balanced in base 3, 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: 54325501 = 147136931.

It can be written as a sum of positive squares in 2 ways, for example, as 1814409 + 8737936 = 1347^2 + 2956^2 .

It is a cyclic number.

It is not a de Polignac number, because 10552345 - 21 = 10552343 is a prime.

It is a super-2 number, since 2×105523452 = 222703969998050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10552343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1055230 + ... + 1055239.

It is an arithmetic number, because the mean of its divisors is an integer number (3165705).

Almost surely, 210552345 is an apocalyptic number.

It is an amenable number.

10552345 is a deficient number, since it is larger than the sum of its proper divisors (2110475).

10552345 is an equidigital number, since it uses as much as digits as its factorization.

10552345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110474.

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

The square root of 10552345 is about 3248.4373166186. The cubic root of 10552345 is about 219.3392364110.

Adding to 10552345 its reverse (54325501), we get a palindrome (64877846).

The spelling of 10552345 in words is "ten million, five hundred fifty-two thousand, three hundred forty-five".

Divisors: 1 5 2110469 10552345