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48688712 = 2324672
BaseRepresentation
bin1011100110111…
…0111001001000
310101121122100122
42321232321020
544431014322
64455322412
71130563412
oct271567110
9111548318
1048688712
1125535606
1214380408
13a1195b7
1466759b2
15441b442
hex2e6ee48

48688712 has 12 divisors (see below), whose sum is σ = 91328355. Its totient is φ = 24334488.

The previous prime is 48688711. The next prime is 48688721. The reversal of 48688712 is 21788684.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 24344356 + 24344356 = 4934^2 + 4934^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=4934.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48688711) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 18503 + ... + 20969.

Almost surely, 248688712 is an apocalyptic number.

It is an amenable number.

48688712 is a deficient number, since it is larger than the sum of its proper divisors (42639643).

48688712 is an frugal number, since it uses more digits than its factorization.

48688712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4940 (or 2469 counting only the distinct ones).

The product of its digits is 172032, while the sum is 44.

The square root of 48688712 is about 6977.7297167489. The cubic root of 48688712 is about 365.1540276925.

It can be divided in two parts, 486 and 88712, that added together give a palindrome (89198).

The spelling of 48688712 in words is "forty-eight million, six hundred eighty-eight thousand, seven hundred twelve".

Divisors: 1 2 4 8 2467 4934 9868 19736 6086089 12172178 24344356 48688712