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10553939 = 11959449
BaseRepresentation
bin101000010000…
…101001010011
3201212012021122
4220100221103
510200211224
61014112455
7155464334
oct50205123
921765248
1010553939
115a59370
12364b72b
132256a46
14158a28b
15dd715e
hexa10a53

10553939 has 4 divisors (see below), whose sum is σ = 11513400. Its totient is φ = 9594480.

The previous prime is 10553903. The next prime is 10553947. The reversal of 10553939 is 93935501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93935501 = 118539591.

It is a cyclic number.

It is not a de Polignac number, because 10553939 - 216 = 10488403 is a prime.

It is a super-2 number, since 2×105539392 = 222771256831442, 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 = 10553899 and 10553908.

It is not an unprimeable number, because it can be changed into a prime (10553339) 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, 479714 + ... + 479735.

It is an arithmetic number, because the mean of its divisors is an integer number (2878350).

Almost surely, 210553939 is an apocalyptic number.

10553939 is a deficient number, since it is larger than the sum of its proper divisors (959461).

10553939 is an equidigital number, since it uses as much as digits as its factorization.

10553939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959460.

The product of its (nonzero) digits is 18225, while the sum is 35.

The square root of 10553939 is about 3248.6826560931. The cubic root of 10553939 is about 219.3502800586.

It can be divided in two parts, 1055 and 3939, that added together give a palindrome (4994).

The spelling of 10553939 in words is "ten million, five hundred fifty-three thousand, nine hundred thirty-nine".

Divisors: 1 11 959449 10553939