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48642773 = 291677337
BaseRepresentation
bin1011100110001…
…1101011010101
310101112022100012
42321203223111
544423032043
64454330005
71130312444
oct271435325
9111468305
1048642773
1125504043
1214359905
13a10170a
146662d5b
15440ca18
hex2e63ad5

48642773 has 4 divisors (see below), whose sum is σ = 50320140. Its totient is φ = 46965408.

The previous prime is 48642733. The next prime is 48642799. The reversal of 48642773 is 37724684.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23261329 + 25381444 = 4823^2 + 5038^2 .

It is a cyclic number.

It is not a de Polignac number, because 48642773 - 26 = 48642709 is a prime.

It is a super-2 number, since 2×486427732 = 4732238730259058, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 48642773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48642733) 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, 838640 + ... + 838697.

It is an arithmetic number, because the mean of its divisors is an integer number (12580035).

Almost surely, 248642773 is an apocalyptic number.

It is an amenable number.

48642773 is a deficient number, since it is larger than the sum of its proper divisors (1677367).

48642773 is a wasteful number, since it uses less digits than its factorization.

48642773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677366.

The product of its digits is 225792, while the sum is 41.

The square root of 48642773 is about 6974.4371099036. The cubic root of 48642773 is about 365.0391476120.

The spelling of 48642773 in words is "forty-eight million, six hundred forty-two thousand, seven hundred seventy-three".

Divisors: 1 29 1677337 48642773