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48868021 is a prime number
BaseRepresentation
bin1011101001101…
…0101010110101
310101221202022201
42322122222311
5100002234041
64503224501
71132241236
oct272325265
9111852281
1048868021
11256482a4
1214448131
13a1800b7
1466c108d
154454631
hex2e9aab5

48868021 has 2 divisors, whose sum is σ = 48868022. Its totient is φ = 48868020.

The previous prime is 48868003. The next prime is 48868049. The reversal of 48868021 is 12086884.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48860100 + 7921 = 6990^2 + 89^2 .

It is a cyclic number.

It is not a de Polignac number, because 48868021 - 215 = 48835253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48868051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24434010 + 24434011.

It is an arithmetic number, because the mean of its divisors is an integer number (24434011).

Almost surely, 248868021 is an apocalyptic number.

It is an amenable number.

48868021 is a deficient number, since it is larger than the sum of its proper divisors (1).

48868021 is an equidigital number, since it uses as much as digits as its factorization.

48868021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 48868021 is about 6990.5665721742. The cubic root of 48868021 is about 365.6017371519.

The spelling of 48868021 in words is "forty-eight million, eight hundred sixty-eight thousand, twenty-one".