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4974389 = 7710627
BaseRepresentation
bin10010111110011100110101
3100100201120122
4102332130311
52233140024
6254341325
760165410
oct22763465
910321518
104974389
112898372
1217ba845
131052234
14936b77
15683d5e
hex4be735

4974389 has 4 divisors (see below), whose sum is σ = 5685024. Its totient is φ = 4263756.

The previous prime is 4974377. The next prime is 4974397. The reversal of 4974389 is 9834794.

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 not a de Polignac number, because 4974389 - 28 = 4974133 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 (4974329) 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, 355307 + ... + 355320.

It is an arithmetic number, because the mean of its divisors is an integer number (1421256).

Almost surely, 24974389 is an apocalyptic number.

It is an amenable number.

4974389 is a deficient number, since it is larger than the sum of its proper divisors (710635).

4974389 is an equidigital number, since it uses as much as digits as its factorization.

4974389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710634.

The product of its digits is 217728, while the sum is 44.

The square root of 4974389 is about 2230.3338315149. Note that the first 3 decimals coincide. The cubic root of 4974389 is about 170.7051334564.

The spelling of 4974389 in words is "four million, nine hundred seventy-four thousand, three hundred eighty-nine".

Divisors: 1 7 710627 4974389