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10449157 = 101103457
BaseRepresentation
bin100111110111…
…000100000101
3201122212112211
4213313010011
510133333112
61011543421
7154550005
oct47670405
921585484
1010449157
115997674
1235bab71
13221b144
141560005
15db60a7
hex9f7105

10449157 has 4 divisors (see below), whose sum is σ = 10552716. Its totient is φ = 10345600.

The previous prime is 10449151. The next prime is 10449163. The reversal of 10449157 is 75194401.

10449157 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: 75194401 = 431748707.

It is an interprime number because it is at equal distance from previous prime (10449151) and next prime (10449163).

It can be written as a sum of positive squares in 2 ways, for example, as 7230721 + 3218436 = 2689^2 + 1794^2 .

It is a cyclic number.

It is not a de Polignac number, because 10449157 - 27 = 10449029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10449151) 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, 51628 + ... + 51829.

It is an arithmetic number, because the mean of its divisors is an integer number (2638179).

Almost surely, 210449157 is an apocalyptic number.

It is an amenable number.

10449157 is a deficient number, since it is larger than the sum of its proper divisors (103559).

10449157 is a wasteful number, since it uses less digits than its factorization.

10449157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103558.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 10449157 is about 3232.5155838758. The cubic root of 10449157 is about 218.6219438806.

It can be divided in two parts, 1044 and 9157, that added together give a palindrome (10201).

The spelling of 10449157 in words is "ten million, four hundred forty-nine thousand, one hundred fifty-seven".

Divisors: 1 101 103457 10449157