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49303553 = 132171312
BaseRepresentation
bin1011110000010…
…1000000000001
310102202212202112
42330011000001
5100110203203
64520425105
71136034065
oct274050001
9112685675
1049303553
1125915542
1214618195
13a2a3400
146795aa5
1544dd6d8
hex2f05001

49303553 has 18 divisors (see below), whose sum is σ = 56963142. Its totient is φ = 42506880.

The previous prime is 49303531. The next prime is 49303571. The reversal of 49303553 is 35530394.

It can be written as a sum of positive squares in 3 ways, for example, as 1098304 + 48205249 = 1048^2 + 6943^2 .

It is not a de Polignac number, because 49303553 - 214 = 49287169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49303523) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 376298 + ... + 376428.

It is an arithmetic number, because the mean of its divisors is an integer number (3164619).

Almost surely, 249303553 is an apocalyptic number.

It is an amenable number.

49303553 is a deficient number, since it is larger than the sum of its proper divisors (7659589).

49303553 is a wasteful number, since it uses less digits than its factorization.

49303553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 32.

The square root of 49303553 is about 7021.6488804269. The cubic root of 49303553 is about 366.6846576113.

The spelling of 49303553 in words is "forty-nine million, three hundred three thousand, five hundred fifty-three".

Divisors: 1 13 17 131 169 221 1703 2227 2873 17161 22139 28951 223093 291737 376363 2900209 3792581 49303553