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49894501 is a prime number
BaseRepresentation
bin1011111001010…
…1010001100101
310110212220101111
42332111101211
5100233111001
64541225021
71144045006
oct276252145
9113786344
1049894501
1126189528
1214862171
13a44c397
1468ab1ad
1545a8851
hex2f95465

49894501 has 2 divisors, whose sum is σ = 49894502. Its totient is φ = 49894500.

The previous prime is 49894489. The next prime is 49894543. The reversal of 49894501 is 10549894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30305025 + 19589476 = 5505^2 + 4426^2 .

It is a cyclic number.

It is not a de Polignac number, because 49894501 - 217 = 49763429 is a prime.

It is a super-2 number, since 2×498945012 = 4978922460078002, which contains 22 as substring.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49894001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24947250 + 24947251.

It is an arithmetic number, because the mean of its divisors is an integer number (24947251).

Almost surely, 249894501 is an apocalyptic number.

It is an amenable number.

49894501 is a deficient number, since it is larger than the sum of its proper divisors (1).

49894501 is an equidigital number, since it uses as much as digits as its factorization.

49894501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 49894501 is about 7063.6039668147. The cubic root of 49894501 is about 368.1438596533.

The spelling of 49894501 in words is "forty-nine million, eight hundred ninety-four thousand, five hundred one".