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49948861 is a prime number
BaseRepresentation
bin1011111010001…
…0100010111101
310110222122221211
42332202202331
5100241330421
64542324421
71144362334
oct276424275
9113878854
1049948861
1126216356
1214889711
13a46b051
1468c2d1b
1545b99e1
hex2fa28bd

49948861 has 2 divisors, whose sum is σ = 49948862. Its totient is φ = 49948860.

The previous prime is 49948841. The next prime is 49948867. The reversal of 49948861 is 16884994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32148900 + 17799961 = 5670^2 + 4219^2 .

It is a cyclic number.

It is not a de Polignac number, because 49948861 - 213 = 49940669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49948867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24974430 + 24974431.

It is an arithmetic number, because the mean of its divisors is an integer number (24974431).

Almost surely, 249948861 is an apocalyptic number.

It is an amenable number.

49948861 is a deficient number, since it is larger than the sum of its proper divisors (1).

49948861 is an equidigital number, since it uses as much as digits as its factorization.

49948861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 497664, while the sum is 49.

The square root of 49948861 is about 7067.4508134121. The cubic root of 49948861 is about 368.2775085620.

The spelling of 49948861 in words is "forty-nine million, nine hundred forty-eight thousand, eight hundred sixty-one".