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49000901 = 227215863
BaseRepresentation
bin1011101011101…
…1000111000101
310102012111121012
42322323013011
5100021012101
64510132005
71133333525
oct272730705
9112174535
1049000901
1125729114
12144b1005
13a1c8721
146717685
15447dbbb
hex2ebb1c5

49000901 has 4 divisors (see below), whose sum is σ = 49216992. Its totient is φ = 48784812.

The previous prime is 49000891. The next prime is 49000933. The reversal of 49000901 is 10900094.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-49000901 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49000201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107705 + ... + 108158.

It is an arithmetic number, because the mean of its divisors is an integer number (12304248).

Almost surely, 249000901 is an apocalyptic number.

It is an amenable number.

49000901 is a deficient number, since it is larger than the sum of its proper divisors (216091).

49000901 is a wasteful number, since it uses less digits than its factorization.

49000901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216090.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 49000901 is about 7000.0643568470. The cubic root of 49000901 is about 365.9328138691.

Adding to 49000901 its reverse (10900094), we get a palindrome (59900995).

The spelling of 49000901 in words is "forty-nine million, nine hundred one", and thus it is an aban number.

Divisors: 1 227 215863 49000901