Search a number
-
+
473445 = 3457167
BaseRepresentation
bin1110011100101100101
3220001110000
41303211211
5110122240
614051513
74011210
oct1634545
9801400
10473445
112a3785
121a9b99
1313765b
14c4777
1595430
hex73965

473445 has 40 divisors (see below), whose sum is σ = 975744. Its totient is φ = 215136.

The previous prime is 473443. The next prime is 473453. The reversal of 473445 is 544374.

It is not a de Polignac number, because 473445 - 21 = 473443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a nialpdrome in base 15.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (473441) 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 39 ways as a sum of consecutive naturals, for example, 2752 + ... + 2918.

2473445 is an apocalyptic number.

473445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

473445 is an abundant number, since it is smaller than the sum of its proper divisors (502299).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

473445 is a wasteful number, since it uses less digits than its factorization.

473445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191 (or 182 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 473445 is about 688.0733972477. The cubic root of 473445 is about 77.9393018906.

The spelling of 473445 in words is "four hundred seventy-three thousand, four hundred forty-five".

Divisors: 1 3 5 7 9 15 21 27 35 45 63 81 105 135 167 189 315 405 501 567 835 945 1169 1503 2505 2835 3507 4509 5845 7515 10521 13527 17535 22545 31563 52605 67635 94689 157815 473445