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49146049 = 61380173
BaseRepresentation
bin1011101101111…
…0100011000001
310102110212201001
42323132203001
5100040133144
64513212001
71134506641
oct273364301
9112425631
1049146049
1125818177
1214561001
13a249804
146754521
1544abbd4
hex2ede8c1

49146049 has 4 divisors (see below), whose sum is σ = 49226836. Its totient is φ = 49065264.

The previous prime is 49146047. The next prime is 49146059. The reversal of 49146049 is 94064194.

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 3448449 + 45697600 = 1857^2 + 6760^2 .

It is a cyclic number.

It is not a de Polignac number, because 49146049 - 21 = 49146047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49145999 and 49146017.

It is not an unprimeable number, because it can be changed into a prime (49146047) 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, 39474 + ... + 40699.

It is an arithmetic number, because the mean of its divisors is an integer number (12306709).

Almost surely, 249146049 is an apocalyptic number.

It is an amenable number.

49146049 is a deficient number, since it is larger than the sum of its proper divisors (80787).

49146049 is an equidigital number, since it uses as much as digits as its factorization.

49146049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80786.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 49146049 is about 7010.4243095550. The cubic root of 49146049 is about 366.2937736123.

The spelling of 49146049 in words is "forty-nine million, one hundred forty-six thousand, forty-nine".

Divisors: 1 613 80173 49146049