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10454945 = 52090989
BaseRepresentation
bin100111111000…
…011110100001
3201200011111012
4213320132201
510134024240
61012030305
7154602614
oct47703641
921604435
1010454945
1159a0a56
123602395
132220977
14156217b
15db7b65
hex9f87a1

10454945 has 4 divisors (see below), whose sum is σ = 12545940. Its totient is φ = 8363952.

The previous prime is 10454933. The next prime is 10454947. The reversal of 10454945 is 54945401.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6091024 + 4363921 = 2468^2 + 2089^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10454945 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10454947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1045490 + ... + 1045499.

It is an arithmetic number, because the mean of its divisors is an integer number (3136485).

Almost surely, 210454945 is an apocalyptic number.

It is an amenable number.

10454945 is a deficient number, since it is larger than the sum of its proper divisors (2090995).

10454945 is an equidigital number, since it uses as much as digits as its factorization.

10454945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2090994.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 10454945 is about 3233.4107379051. The cubic root of 10454945 is about 218.6623028059.

The spelling of 10454945 in words is "ten million, four hundred fifty-four thousand, nine hundred forty-five".

Divisors: 1 5 2090989 10454945