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49461009 = 3131966749
BaseRepresentation
bin1011110010101…
…1011100010001
310110001212202020
42330223130101
5100130223014
64524042053
71140261123
oct274533421
9113055666
1049461009
1125a12874
1214693329
13a329c90
1467d7213
1545201a9
hex2f2b711

49461009 has 16 divisors (see below), whose sum is σ = 74760000. Its totient is φ = 28835136.

The previous prime is 49461001. The next prime is 49461019. The reversal of 49461009 is 90016494.

It is not a de Polignac number, because 49461009 - 23 = 49461001 is a prime.

It is a super-2 number, since 2×494610092 = 4892782822596162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49461001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32634 + ... + 34115.

It is an arithmetic number, because the mean of its divisors is an integer number (4672500).

Almost surely, 249461009 is an apocalyptic number.

It is an amenable number.

49461009 is a deficient number, since it is larger than the sum of its proper divisors (25298991).

49461009 is a wasteful number, since it uses less digits than its factorization.

49461009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66784.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 49461009 is about 7032.8521241385. The cubic root of 49461009 is about 367.0745912776.

The spelling of 49461009 in words is "forty-nine million, four hundred sixty-one thousand, nine".

Divisors: 1 3 13 19 39 57 247 741 66749 200247 867737 1268231 2603211 3804693 16487003 49461009