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4745389 = 11431399
BaseRepresentation
bin10010000110100010101101
322221002110011
4102012202231
52203323024
6245413221
755222645
oct22064255
98832404
104745389
112751310
12170a211
13ca1c2c
148b7525
1563b094
hex4868ad

4745389 has 4 divisors (see below), whose sum is σ = 5176800. Its totient is φ = 4313980.

The previous prime is 4745369. The next prime is 4745401. The reversal of 4745389 is 9835474.

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 de Polignac number, because none of the positive numbers 2k-4745389 is a prime.

It is a super-2 number, since 2×47453892 = 45037433522642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4745339) 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, 215689 + ... + 215710.

It is an arithmetic number, because the mean of its divisors is an integer number (1294200).

Almost surely, 24745389 is an apocalyptic number.

It is an amenable number.

4745389 is a deficient number, since it is larger than the sum of its proper divisors (431411).

4745389 is a wasteful number, since it uses less digits than its factorization.

4745389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431410.

The product of its digits is 120960, while the sum is 40.

The square root of 4745389 is about 2178.3913789767. The cubic root of 4745389 is about 168.0443595068.

The spelling of 4745389 in words is "four million, seven hundred forty-five thousand, three hundred eighty-nine".

Divisors: 1 11 431399 4745389