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49210985 = 59842197
BaseRepresentation
bin1011101110111…
…0011001101001
310102121011210002
42323232121221
5100044222420
64514432345
71135200155
oct273563151
9112534702
1049210985
1125861a3a
12145926b5
13a270235
146770065
1544c1075
hex2eee669

49210985 has 4 divisors (see below), whose sum is σ = 59053188. Its totient is φ = 39368784.

The previous prime is 49210951. The next prime is 49210991. The reversal of 49210985 is 58901294.

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 32137561 + 17073424 = 5669^2 + 4132^2 .

It is a cyclic number.

It is not a de Polignac number, because 49210985 - 28 = 49210729 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4921094 + ... + 4921103.

It is an arithmetic number, because the mean of its divisors is an integer number (14763297).

Almost surely, 249210985 is an apocalyptic number.

It is an amenable number.

49210985 is a deficient number, since it is larger than the sum of its proper divisors (9842203).

49210985 is an equidigital number, since it uses as much as digits as its factorization.

49210985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9842202.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 49210985 is about 7015.0541694273. The cubic root of 49210985 is about 366.4550289235.

The spelling of 49210985 in words is "forty-nine million, two hundred ten thousand, nine hundred eighty-five".

Divisors: 1 5 9842197 49210985