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49960091 = 67745673
BaseRepresentation
bin1011111010010…
…1010010011011
310111000020100202
42332211102123
5100242210331
64542452415
71144440146
oct276452233
9114006322
1049960091
1126223835
121489410b
13a4731ac
1468c705d
1545bcecb
hex2fa549b

49960091 has 4 divisors (see below), whose sum is σ = 50705832. Its totient is φ = 49214352.

The previous prime is 49960081. The next prime is 49960103. The reversal of 49960091 is 19006994.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19006994 = 29503497.

It is a cyclic number.

It is not a de Polignac number, because 49960091 - 222 = 45765787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49960021) 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, 372770 + ... + 372903.

It is an arithmetic number, because the mean of its divisors is an integer number (12676458).

Almost surely, 249960091 is an apocalyptic number.

49960091 is a deficient number, since it is larger than the sum of its proper divisors (745741).

49960091 is an equidigital number, since it uses as much as digits as its factorization.

49960091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745740.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 49960091 is about 7068.2452560731. The cubic root of 49960091 is about 368.3051064319.

The spelling of 49960091 in words is "forty-nine million, nine hundred sixty thousand, ninety-one".

Divisors: 1 67 745673 49960091