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4748141 = 29163729
BaseRepresentation
bin10010000111001101101101
322221020020002
4102013031231
52203420031
6245434045
755233656
oct22071555
98836202
104748141
112753392
12170b925
13ca3268
148b852d
1563bccb
hex48736d

4748141 has 4 divisors (see below), whose sum is σ = 4911900. Its totient is φ = 4584384.

The previous prime is 4748131. The next prime is 4748153. The reversal of 4748141 is 1418474.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1418474 = 2709237.

It can be written as a sum of positive squares in 2 ways, for example, as 2468041 + 2280100 = 1571^2 + 1510^2 .

It is a cyclic number.

It is not a de Polignac number, because 4748141 - 26 = 4748077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 163729 = 4748141 / (4 + 7 + 4 + 8 + 1 + 4 + 1).

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4748131) 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, 81836 + ... + 81893.

It is an arithmetic number, because the mean of its divisors is an integer number (1227975).

Almost surely, 24748141 is an apocalyptic number.

It is an amenable number.

4748141 is a deficient number, since it is larger than the sum of its proper divisors (163759).

4748141 is a wasteful number, since it uses less digits than its factorization.

4748141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163758.

The product of its digits is 3584, while the sum is 29.

The square root of 4748141 is about 2179.0229461848. The cubic root of 4748141 is about 168.0768379617.

The spelling of 4748141 in words is "four million, seven hundred forty-eight thousand, one hundred forty-one".

Divisors: 1 29 163729 4748141