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49728001 = 232162087
BaseRepresentation
bin1011110110110…
…0101000000001
310110120102222211
42331230220001
5100212244001
64533502121
71142452411
oct275545001
9113512884
1049728001
1126085424
12147a1941
13a3c166b
146866641
154574351
hex2f6ca01

49728001 has 4 divisors (see below), whose sum is σ = 51890112. Its totient is φ = 47565892.

The previous prime is 49727983. The next prime is 49728053. The reversal of 49728001 is 10082794.

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 not a de Polignac number, because 49728001 - 25 = 49727969 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49728071) 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, 1081021 + ... + 1081066.

It is an arithmetic number, because the mean of its divisors is an integer number (12972528).

Almost surely, 249728001 is an apocalyptic number.

It is an amenable number.

49728001 is a deficient number, since it is larger than the sum of its proper divisors (2162111).

49728001 is a wasteful number, since it uses less digits than its factorization.

49728001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2162110.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 49728001 is about 7051.8083496363. The cubic root of 49728001 is about 367.7338995678.

The spelling of 49728001 in words is "forty-nine million, seven hundred twenty-eight thousand, one".

Divisors: 1 23 2162087 49728001