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48087869 = 67371453
BaseRepresentation
bin1011011101110…
…0001100111101
310100111010011012
42313130030331
544302302434
64434405005
71122511604
oct267341475
9110433135
1048087869
1125165145
1214130765
139c68c7b
14655aa3b
15434d3ce
hex2ddc33d

48087869 has 4 divisors (see below), whose sum is σ = 48159996. Its totient is φ = 48015744.

The previous prime is 48087863. The next prime is 48087881. The reversal of 48087869 is 96878084.

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 29052100 + 19035769 = 5390^2 + 4363^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-48087869 is a prime.

It is a super-3 number, since 3×480878693 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48087863) 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, 35054 + ... + 36399.

It is an arithmetic number, because the mean of its divisors is an integer number (12039999).

Almost surely, 248087869 is an apocalyptic number.

It is an amenable number.

48087869 is a deficient number, since it is larger than the sum of its proper divisors (72127).

48087869 is an equidigital number, since it uses as much as digits as its factorization.

48087869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72126.

The product of its (nonzero) digits is 774144, while the sum is 50.

The square root of 48087869 is about 6934.5417296315. The cubic root of 48087869 is about 363.6457452864.

The spelling of 48087869 in words is "forty-eight million, eighty-seven thousand, eight hundred sixty-nine".

Divisors: 1 673 71453 48087869