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48127861 = 374492897
BaseRepresentation
bin1011011110010…
…1111101110101
310100120011000101
42313211331311
544310042421
64435314101
71123036315
oct267457565
9110504011
1048127861
11251921a1
121414b931
139c81232
14656b445
15435a191
hex2de5f75

48127861 has 8 divisors (see below), whose sum is σ = 49555800. Its totient is φ = 46706688.

The previous prime is 48127843. The next prime is 48127873. The reversal of 48127861 is 16872184.

48127861 = 49052 + 49062.

It can be written as a sum of positive squares in 4 ways, for example, as 9302500 + 38825361 = 3050^2 + 6231^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 48127861 - 211 = 48125813 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 48127861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48121861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15165 + ... + 18061.

It is an arithmetic number, because the mean of its divisors is an integer number (6194475).

Almost surely, 248127861 is an apocalyptic number.

48127861 is the 4906-th centered square number.

It is an amenable number.

48127861 is a deficient number, since it is larger than the sum of its proper divisors (1427939).

48127861 is a wasteful number, since it uses less digits than its factorization.

48127861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3383.

The product of its digits is 21504, while the sum is 37.

The square root of 48127861 is about 6937.4246662576. The cubic root of 48127861 is about 363.7465253188.

The spelling of 48127861 in words is "forty-eight million, one hundred twenty-seven thousand, eight hundred sixty-one".

Divisors: 1 37 449 2897 16613 107189 1300753 48127861