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1130472 = 233272243
BaseRepresentation
bin100010011111111101000
32010102201100
410103333220
5242133342
640121400
712415560
oct4237750
92112640
101130472
11702382
12466260
13307725
14215da0
15174e4c
hex113fe8

1130472 has 48 divisors (see below), whose sum is σ = 3500640. Its totient is φ = 322848.

The previous prime is 1130471. The next prime is 1130497. The reversal of 1130472 is 2740311.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1130471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 618 + ... + 1625.

It is an arithmetic number, because the mean of its divisors is an integer number (72930).

21130472 is an apocalyptic number.

1130472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1130472 is an abundant number, since it is smaller than the sum of its proper divisors (2370168).

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

1130472 is a wasteful number, since it uses less digits than its factorization.

1130472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2262 (or 2255 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 1130472 is about 1063.2365682199. The cubic root of 1130472 is about 104.1725439528.

Adding to 1130472 its reverse (2740311), we get a palindrome (3870783).

The spelling of 1130472 in words is "one million, one hundred thirty thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 168 252 504 2243 4486 6729 8972 13458 15701 17944 20187 26916 31402 40374 47103 53832 62804 80748 94206 125608 141309 161496 188412 282618 376824 565236 1130472