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48005217 = 341345589
BaseRepresentation
bin1011011100100…
…0000001100001
310100022220210000
42313020001201
544242131332
64432530213
71122015621
oct267100141
9110286700
1048005217
1125109037
12140b0969
139c3a470
146538881
154333b7c
hex2dc8061

48005217 has 20 divisors (see below), whose sum is σ = 77229460. Its totient is φ = 29541024.

The previous prime is 48005213. The next prime is 48005239. The reversal of 48005217 is 71250084.

It can be written as a sum of positive squares in 2 ways, for example, as 8767521 + 39237696 = 2961^2 + 6264^2 .

It is not a de Polignac number, because 48005217 - 22 = 48005213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48005213) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21742 + ... + 23847.

It is an arithmetic number, because the mean of its divisors is an integer number (3861473).

Almost surely, 248005217 is an apocalyptic number.

It is an amenable number.

48005217 is a deficient number, since it is larger than the sum of its proper divisors (29224243).

48005217 is a wasteful number, since it uses less digits than its factorization.

48005217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45614 (or 45605 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 48005217 is about 6928.5797245900. The cubic root of 48005217 is about 363.4372846424.

The spelling of 48005217 in words is "forty-eight million, five thousand, two hundred seventeen".

Divisors: 1 3 9 13 27 39 81 117 351 1053 45589 136767 410301 592657 1230903 1777971 3692709 5333913 16001739 48005217