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48031477 = 1317217337
BaseRepresentation
bin1011011100111…
…0011011110101
310100101020210121
42313032123311
544244001402
64433251541
71122155314
oct267163365
9110336717
1048031477
112512683a
1214103bb1
139c493c0
14654427b
15433b837
hex2dce6f5

48031477 has 8 divisors (see below), whose sum is σ = 54769176. Its totient is φ = 41728512.

The previous prime is 48031433. The next prime is 48031483. The reversal of 48031477 is 77413084.

It can be written as a sum of positive squares in 4 ways, for example, as 62001 + 47969476 = 249^2 + 6926^2 .

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 48031477 - 219 = 47507189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48031777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108448 + ... + 108889.

It is an arithmetic number, because the mean of its divisors is an integer number (6846147).

Almost surely, 248031477 is an apocalyptic number.

It is an amenable number.

48031477 is a deficient number, since it is larger than the sum of its proper divisors (6737699).

48031477 is a wasteful number, since it uses less digits than its factorization.

48031477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217367.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 48031477 is about 6930.4745147789. The cubic root of 48031477 is about 363.5035421868.

The spelling of 48031477 in words is "forty-eight million, thirty-one thousand, four hundred seventy-seven".

Divisors: 1 13 17 221 217337 2825381 3694729 48031477