Search a number
-
+
4742445 = 35617173
BaseRepresentation
bin10010000101110100101101
322220221102010
4102011310231
52203224240
6245351433
755211241
oct22056455
98827363
104742445
11274a084
121708579
13ca07a6
148b6421
1563a280
hex485d2d

4742445 has 32 divisors (see below), whose sum is σ = 7928064. Its totient is φ = 2419200.

The previous prime is 4742443. The next prime is 4742447. The reversal of 4742445 is 5442474.

It is an interprime number because it is at equal distance from previous prime (4742443) and next prime (4742447).

It is not a de Polignac number, because 4742445 - 21 = 4742443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4742443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64929 + ... + 65001.

It is an arithmetic number, because the mean of its divisors is an integer number (247752).

Almost surely, 24742445 is an apocalyptic number.

It is an amenable number.

4742445 is a deficient number, since it is larger than the sum of its proper divisors (3185619).

4742445 is a wasteful number, since it uses less digits than its factorization.

4742445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213.

The product of its digits is 17920, while the sum is 30.

The square root of 4742445 is about 2177.7155461630. The cubic root of 4742445 is about 168.0096012086.

The spelling of 4742445 in words is "four million, seven hundred forty-two thousand, four hundred forty-five".

Divisors: 1 3 5 15 61 71 73 183 213 219 305 355 365 915 1065 1095 4331 4453 5183 12993 13359 15549 21655 22265 25915 64965 66795 77745 316163 948489 1580815 4742445