Search a number
-
+
1730472 = 23372103
BaseRepresentation
bin110100110011110101000
310020220202120
412212132220
5420333342
6101031240
720465052
oct6463650
93226676
101730472
11a82147
126b5520
13487863
143308d2
15242aec
hex1a67a8

1730472 has 16 divisors (see below), whose sum is σ = 4326240. Its totient is φ = 576816.

The previous prime is 1730471. The next prime is 1730473. The reversal of 1730472 is 2740371.

It is an interprime number because it is at equal distance from previous prime (1730471) and next prime (1730473).

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 72103 = 1730472 / (1 + 7 + 3 + 0 + 4 + 7 + 2).

It is not an unprimeable number, because it can be changed into a prime (1730471) 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 3 ways as a sum of consecutive naturals, for example, 36028 + ... + 36075.

It is an arithmetic number, because the mean of its divisors is an integer number (270390).

21730472 is an apocalyptic number.

1730472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1730472 is an abundant number, since it is smaller than the sum of its proper divisors (2595768).

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

1730472 is a wasteful number, since it uses less digits than its factorization.

1730472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72112 (or 72108 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 1730472 is about 1315.4740590373. The cubic root of 1730472 is about 120.0571949574.

The spelling of 1730472 in words is "one million, seven hundred thirty thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 72103 144206 216309 288412 432618 576824 865236 1730472